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hydra
Overview of noun hydra
The noun hydra has 4 senses (no senses from tagged texts)
1. Hydra -- ((Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones; "Hydra was slain by Hercules")
2. Hydra, Snake -- (a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer)
3. hydra -- (trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality; "we may be facing a hydra that defies any easy solution")
4. hydra -- (small tubular solitary freshwater hydrozoan polyp)
Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hydra
4 senses of hydra
Sense 1
Hydra
=> mythical monster, mythical creature
=> monster
=> imaginary being, imaginary creature
=> imagination, imaginativeness, vision
=> creativity, creativeness, creative thinking
=> ability, power
=> cognition, knowledge, noesis
=> psychological feature
=> abstraction
=> abstract entity
=> entity
=> mythical being
=> imaginary being, imaginary creature
=> imagination, imaginativeness, vision
=> creativity, creativeness, creative thinking
=> ability, power
=> cognition, knowledge, noesis
=> psychological feature
=> abstraction
=> abstract entity
=> entity
Sense 2
Hydra, Snake
INSTANCE OF=> constellation
=> natural object
=> whole, unit
=> object, physical object
=> physical entity
=> entity
Sense 3
hydra
=> trouble, problem
=> difficulty
=> cognitive factor
=> cognition, knowledge, noesis
=> psychological feature
=> abstraction
=> abstract entity
=> entity
Sense 4
hydra
=> hydrozoan, hydroid
=> coelenterate, cnidarian
=> invertebrate
=> animal, animate being, beast, brute, creature, fauna
=> organism, being
=> living thing, animate thing
=> object, physical object
=> physical entity
=> entity
Hyponyms of noun hydra
Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hydra
4 senses of hydra
Sense 1
Hydra
=> mythical monster, mythical creature
Sense 2
Hydra, Snake
INSTANCE OF=> constellation
Sense 3
hydra
=> trouble, problem
Sense 4
hydra
=> hydrozoan, hydroid
Antonyms of noun hydra
Member Holonyms of noun hydra
1 of 4 senses of hydra
Sense 4
hydra
MEMBER OF: genus Hydra
Substance Holonyms of noun hydra
Part Holonyms of noun hydra
Member Meronyms of noun hydra
Substance Meronyms of noun hydra
Part Meronyms of noun hydra
Meronyms of noun hydra
Holonyms of noun hydra
1 of 4 senses of hydra
Sense 4
hydra
MEMBER OF: genus Hydra
Attributes of noun hydra
Derived Forms of noun hydra
Domain of noun hydra
1 of 4 senses of hydra
Sense 1
Hydra
TOPIC>(noun) Greek mythology#1
Domain Terms of noun hydra
Familiarity of noun hydra
hydra used as a noun is uncommon (polysemy count =4)
Coordinate Terms (sisters) of noun hydra
4 senses of hydra
Sense 1
Hydra
> mythical monster, mythical creature
=> legendary creature
=> amphisbaena
=> basilisk
=> centaur
=> Cerberus, hellhound
=> Chimera, Chimaera
=> cockatrice
=> dragon, firedrake
=> Geryon
=> Gorgon
=> gryphon, griffin, griffon
=> Harpy
=> Hydra
=> leviathan
=> manticore, mantichora, manticora, mantiger
=> Minotaur
=> Nemean lion
HAS INSTANCE=> Python
=> roc
=> salamander
=> Sphinx
=> troll
=> Typhoeus
=> Typhon
=> werewolf, wolfman, lycanthrope
HAS INSTANCE=> Fury, Eumenides, Erinyes
Sense 2
Hydra, Snake
> constellation
HAS INSTANCE=> Andromeda
HAS INSTANCE=> Antlia
HAS INSTANCE=> Apus
HAS INSTANCE=> Aquarius
HAS INSTANCE=> Aquila
HAS INSTANCE=> Ara
HAS INSTANCE=> Argo
HAS INSTANCE=> Aries
HAS INSTANCE=> Auriga, Charioteer
HAS INSTANCE=> Bootes
HAS INSTANCE=> Caelum
HAS INSTANCE=> Cancer
HAS INSTANCE=> Canis Major, Great Dog
HAS INSTANCE=> Canis Minor, Little Dog
HAS INSTANCE=> Capricornus, Capricorn
HAS INSTANCE=> Carina
HAS INSTANCE=> Cassiopeia
HAS INSTANCE=> Centaurus, Centaur
HAS INSTANCE=> Cepheus
HAS INSTANCE=> Cetus
HAS INSTANCE=> Chamaeleon, Chameleon
HAS INSTANCE=> Circinus
HAS INSTANCE=> Columba, Dove
HAS INSTANCE=> Coma Berenices
HAS INSTANCE=> Corona Borealis
HAS INSTANCE=> Corvus, Crow
HAS INSTANCE=> Crater
HAS INSTANCE=> Cygnus
HAS INSTANCE=> Delphinus
HAS INSTANCE=> Dorado
HAS INSTANCE=> Draco, Dragon
HAS INSTANCE=> Eridanus
HAS INSTANCE=> Fornax
HAS INSTANCE=> Gemini
HAS INSTANCE=> Great Bear, Ursa Major
HAS INSTANCE=> Grus, Crane
HAS INSTANCE=> Hercules
HAS INSTANCE=> Hydra, Snake
HAS INSTANCE=> Hydrus
HAS INSTANCE=> Indus
HAS INSTANCE=> Leo
HAS INSTANCE=> Lepus
HAS INSTANCE=> Libra
HAS INSTANCE=> Little Bear, Ursa Minor
HAS INSTANCE=> Lupus
HAS INSTANCE=> Lyra
HAS INSTANCE=> Mensa
HAS INSTANCE=> Microscopium
HAS INSTANCE=> Musca
HAS INSTANCE=> Norma
HAS INSTANCE=> Octans
HAS INSTANCE=> Ophiuchus
HAS INSTANCE=> Orion, Hunter
HAS INSTANCE=> Pavo
HAS INSTANCE=> Pegasus
HAS INSTANCE=> Perseus
HAS INSTANCE=> Phoenix
HAS INSTANCE=> Pictor
HAS INSTANCE=> Pisces
HAS INSTANCE=> Puppis
HAS INSTANCE=> Pyxis
HAS INSTANCE=> Reticulum
HAS INSTANCE=> Sagitta
HAS INSTANCE=> Sagittarius
HAS INSTANCE=> Scorpius, Scorpio
HAS INSTANCE=> Sculptor
HAS INSTANCE=> Serpens
HAS INSTANCE=> Southern Cross, Crux, Crux Australis
HAS INSTANCE=> Taurus
HAS INSTANCE=> Telescopium
HAS INSTANCE=> Triangulum, Triangle
HAS INSTANCE=> Triangulum Australe, Southern Triangle
HAS INSTANCE=> Tucana
HAS INSTANCE=> Vela
HAS INSTANCE=> Virgo
HAS INSTANCE=> Volans
HAS INSTANCE=> Vulpecula
Sense 3
hydra
> trouble, problem
=> can of worms
=> deep water
=> growing pains
=> hydra
=> matter
Sense 4
hydra
> hydrozoan, hydroid
=> planula
=> hydra
=> siphonophore
=> sertularian
Meronyms of noun hydra
3 of 4 senses of hydra
Sense 1
Hydra
=> mythical monster, mythical creature
=> monster
=> imaginary being, imaginary creature
=> imagination, imaginativeness, vision
=> creativity, creativeness, creative thinking
HAS PART: divergent thinking, out-of-the-box thinking
=> mythical being
=> imaginary being, imaginary creature
=> imagination, imaginativeness, vision
=> creativity, creativeness, creative thinking
HAS PART: divergent thinking, out-of-the-box thinking
Sense 4
hydra
=> hydrozoan, hydroid
=> coelenterate, cnidarian
HAS PART: coelenteron
=> invertebrate
HAS PART: foot, invertebrate foot
HAS PART: peristome
=> animal, animate being, beast, brute, creature, fauna
HAS SUBSTANCE: animal tissue
HAS PART: head, caput
HAS PART: muzzle
HAS PART: snout, neb
HAS PART: ear
HAS PART: vestibule of the ear
HAS PART: eardrum, tympanum, tympanic membrane, myringa
HAS PART: umbo
HAS PART: organ of hearing
HAS PART: fenestra
HAS PART: auricular artery, arteria auricularis
HAS PART: basilar artery, arteria basilaris
HAS PART: brain, encephalon
HAS PART: circle of Willis
HAS PART: communicating artery, arteria communicans
HAS PART: brain cell
HAS PART: neencephalon, neoencephalon
HAS PART: forebrain, prosencephalon
HAS PART: peduncle, cerebral peduncle
HAS PART: corpus callosum
HAS PART: telencephalon
HAS PART: cerebrum
HAS PART: fissure of Rolando, Rolando's fissure, central sulcus, sulcus centralis
HAS PART: fissure of Sylvius, Sylvian fissure, lateral cerebral sulcus, sulcus lateralis cerebri
HAS PART: hemisphere, cerebral hemisphere
HAS PART: cerebral cortex, cerebral mantle, pallium, cortex
HAS PART: Golgi's cell, Golgi cell
HAS PART: cortical area, cortical region
HAS PART: frontal lobe
HAS PART: frontal area, frontal cortex
HAS PART: frontal gyrus
HAS PART: precentral gyrus
HAS PART: prefrontal lobe
HAS PART: parietal lobe
HAS PART: parietal gyrus
HAS PART: postcentral gyrus
HAS PART: occipital lobe
HAS PART: calcarine sulcus, calcarine fissure
HAS PART: occipital gyrus
HAS PART: temporal lobe
HAS PART: temporal gyrus
HAS PART: amygdala, amygdaloid nucleus, corpus amygdaloideum
HAS PART: gyrus, convolution
HAS PART: diencephalon, interbrain, betweenbrain, thalmencephalon
HAS PART: mamillary body, mammillary body, corpus mamillare
HAS PART: infundibulum
HAS PART: third eye, pineal eye
HAS PART: optic nerve, nervus opticus, second cranial nerve, optic tract
HAS PART: pituitary, pituitary gland, pituitary body, hypophysis
HAS PART: hypophyseal stalk
HAS PART: anterior pituitary, anterior pituitary gland, adenohypophysis
HAS PART: pars distilis, pars anterior
HAS PART: posterior pituitary, posterior pituitary gland, neurohypophysis, pars nervosa
HAS PART: pars intermedia
HAS PART: basal ganglion
HAS PART: thalamus
HAS PART: geniculate body
HAS PART: subthalamus
HAS PART: subthalamic nucleus
HAS PART: hypothalamus
HAS PART: midbrain, mesencephalon
HAS PART: substantia nigra, nucleus niger, locus niger
HAS PART: superior colliculus
HAS PART: inferior colliculus
HAS PART: hindbrain, rhombencephalon
HAS PART: cerebellum
HAS PART: cerebellar artery, arteria cerebelli
HAS PART: cerebellar hemisphere
HAS PART: dentate nucleus
HAS PART: vermis, vermis cerebelli
HAS PART: paleocerebellum
HAS PART: myelencephalon
HAS PART: brainstem, brain-stem, brain stem
HAS PART: medulla oblongata, medulla, bulb
HAS PART: respiratory center
HAS PART: pons, pons Varolii
HAS PART: respiratory center
HAS PART: reticular formation, RF
HAS PART: reticular activating system, RAS
HAS PART: ventricle
HAS PART: spinal fluid, cerebrospinal fluid
HAS PART: skull
HAS PART: craniometric point
HAS PART: cheekbone, zygomatic bone, zygomatic, malar, malar bone, jugal bone, os zygomaticum
HAS PART: jugale, jugal point
HAS PART: zygoma, zygomatic arch, arcus zygomaticus
HAS PART: zygomatic process
HAS PART: sphenoid bone, sphenoid, os sphenoidale
HAS PART: crotaphion
HAS PART: pterygoid process
HAS PART: eye socket, orbit, cranial orbit, orbital cavity
HAS PART: lacrimal bone
HAS PART: endocranium
HAS PART: cranium, braincase, brainpan
HAS PART: asterion
HAS PART: stephanion
HAS PART: ethmoid, ethmoid bone
HAS PART: temporal bone, os temporale
HAS PART: glenoid fossa, mandibular fossa
HAS PART: tympanic bone
HAS PART: mastoid, mastoid process, mastoid bone, mastoidal
HAS PART: mastoidale
HAS PART: styloid process
HAS PART: calvaria, skullcap
HAS PART: frontal bone, os frontale, forehead
HAS PART: glabella, mesophyron
HAS PART: metopion
HAS PART: ophryon
HAS PART: frontal eminence
HAS PART: parietal bone
HAS PART: entomion
HAS PART: sphenion
HAS PART: occipital bone
HAS PART: inion
HAS PART: occipital protuberance
HAS PART: coronal suture, sutura coronalis
HAS PART: frontal suture, sutura frontalis
HAS PART: lamboid suture, sutura lamboidea
HAS PART: occipitomastoid suture
HAS PART: parietomastoid suture
HAS PART: sagittal suture, interparietal suture, sutura sagittalis
HAS PART: fontanelle, fontanel, soft spot
HAS PART: foramen magnum
HAS PART: jaw
HAS PART: alveolar arch
HAS PART: alveolar ridge, gum ridge, alveolar process
HAS PART: tooth socket, alveolus
HAS PART: alveolar artery, arteria alveolaris
HAS PART: vomer
HAS PART: face, human face
HAS PART: beard, face fungus, whiskers
HAS PART: mustache, moustache
HAS PART: mouth
HAS PART: mouth, oral cavity, oral fissure, rima oris
HAS PART: dentition, teeth
HAS PART: tongue, lingua, glossa, clapper
HAS PART: tastebud, taste bud, gustatory organ
HAS PART: neuroepithelium
HAS PART: taste cell, gustatory cell
HAS PART: buccal cavity
HAS PART: gingiva, gum
HAS PART: palate, roof of the mouth
HAS PART: tastebud, taste bud, gustatory organ
HAS PART: neuroepithelium
HAS PART: taste cell, gustatory cell
HAS PART: soft palate, velum
HAS PART: uvula
HAS PART: hard palate
HAS PART: salivary gland
HAS PART: saliva, spit, spittle
HAS PART: lip
HAS PART: labial artery, arteria labialis
HAS PART: labial vein, vena labialis
HAS PART: lingual artery, arteria lingualis
HAS PART: lingual vein, vena lingualis
HAS PART: eye, oculus, optic
HAS PART: choroid, choroid coat
HAS PART: ciliary body
HAS PART: eyelid, lid, palpebra
HAS PART: eyelash, lash, cilium
HAS PART: conjunctiva
HAS PART: canthus
HAS PART: epicanthus, epicanthic fold
HAS PART: nictitating membrane, third eyelid
HAS PART: conjunctiva
HAS PART: eyeball, orb
HAS PART: ocular muscle, eye muscle
HAS PART: cornea
HAS PART: uvea
HAS PART: iris
HAS PART: pupil
HAS PART: lens, crystalline lens
HAS PART: lens capsule
HAS PART: central artery of the retina, arteria centralis retinae
HAS PART: ciliary artery, arteria ciliaris
HAS PART: lacrimal artery, arteria lacrimalis
HAS PART: lacrimal vein, vena lacrimalis
HAS PART: lacrimal apparatus
HAS PART: lacrimal gland, lachrymal gland, tear gland
HAS PART: lacrimal duct, lachrymal duct, tear duct
HAS PART: lacrimal sac, tear sac, dacryocyst
HAS PART: retina
HAS PART: neuroepithelium
HAS PART: fovea, fovea centralis
HAS PART: parafovea
HAS PART: macula, macula lutea, macular area, yellow spot
HAS PART: visual cell
HAS PART: blind spot, optic disc, optic disk
HAS PART: cone, cone cell, retinal cone
HAS PART: iodopsin
HAS PART: rod, rod cell, retinal rod
HAS PART: visual purple, rhodopsin, retinal purple
HAS PART: sclera, sclerotic coat
HAS PART: pupillary sphincter, musculus sphincter pupillae
HAS PART: aperture
HAS PART: eyebrow, brow, supercilium
HAS PART: venae palpebrales
HAS PART: facial vein, vena facialis
HAS PART: facial, facial nerve, nervus facialis, seventh cranial nerve
HAS PART: nose, olfactory organ
HAS PART: turbinate bone, turbinate, turbinal
HAS PART: ethmoidal artery, arteria ethmoidalis
HAS PART: nasal cavity
HAS PART: neuroepithelium
HAS PART: internasal suture, sutura internasalis
HAS PART: bridge
HAS PART: nasal, nasal bone, os nasale
HAS PART: rhinion
HAS PART: nostril, anterior naris
HAS PART: chin, mentum
HAS PART: goatee
HAS PART: feature, lineament
HAS PART: facial muscle
HAS PART: brow, forehead
HAS PART: trichion, crinion
HAS PART: cheek
HAS PART: cheek muscle, buccinator muscle, musculus buccinator
HAS PART: buccal artery, arteria buccalis
HAS PART: jowl
HAS PART: jaw
HAS PART: temple
HAS PART: face
=> organism, being
HAS SUBSTANCE: tissue
HAS PART: cell
HAS PART: cell membrane, cytomembrane, plasma membrane
HAS PART: energid, protoplast
HAS PART: cytoplasm, cytol
HAS PART: cytoskeleton
HAS PART: microsome
HAS PART: Golgi body, Golgi apparatus, Golgi complex, dictyosome
HAS PART: nucleus, cell nucleus, karyon
HAS PART: nucleolus, nucleole
HAS PART: chromatin, chromatin granule
HAS PART: achromatin
HAS PART: linin
HAS PART: chromosome
HAS PART: nucleolus organizer, nucleolus organiser, nucleolar organizer, nucleolar organiser
HAS PART: gene, cistron, factor
HAS PART: chromatid
HAS PART: centromere, kinetochore
HAS PART: telomere
HAS PART: organelle, cell organelle, cell organ
HAS PART: vacuole
HAS PART: body part
HAS PART: corpus
Holonyms of noun hydra
1 of 4 senses of hydra
Sense 4
hydra
MEMBER OF: genus Hydra
MEMBER OF: Hydrozoa, class Hydrozoa
MEMBER OF: Cnidaria, phylum Cnidaria, Coelenterata, phylum Coelenterata
MEMBER OF: Metazoa, subkingdom Metazoa
MEMBER OF: Animalia, kingdom Animalia, animal kingdom
Grep of noun hydra
enhydra
genus enhydra
genus hydra
hydra
hydralazine
hydramnios
hydrangea
hydrangea anomala
hydrangea arborescens
hydrangea family
hydrangea macrophylla hortensis
hydrangea paniculata
hydrangea petiolaris
hydrangeaceae
hydrant
hydrargyrum
hydrarthrosis
hydrastis
hydrastis canadensis
hydrate
hydrated aluminium oxide
hydrated aluminum oxide
hydrated lime
hydrated oxide
hydration
hydraulic brake
hydraulic brake cylinder
hydraulic brakes
hydraulic cement
hydraulic engineering
hydraulic press
hydraulic pump
hydraulic ram
hydraulic system
hydraulic transmission
hydraulic transmission system
hydraulics
hydrazine
hydrazo group
hydrazo radical
hydrazoic acid
hydrazoite
Grep of verb hydra
hydrate
Grep of adj hydra
hydrated
hydraulic
Grep of adv hydra
hydraulically
hydraulicly
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