invertebrate


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

in·ver·te·brate

 (ĭn-vûr′tə-brĭt, -brāt′)
adj.
1. Lacking a backbone or spinal column; not vertebrate.
2. Of or relating to invertebrates: invertebrate zoology.
n.
An animal, such as an insect or mollusk, that lacks a backbone or spinal column.

invertebrate

(ɪnˈvɜːtɪbrɪt; -ˌbreɪt)
n
(Zoology) any animal lacking a backbone, including all species not classified as vertebrates
adj
(Zoology) of, relating to, or designating invertebrates

in•ver•te•brate

(ɪnˈvɜr tə brɪt, -ˌbreɪt)

adj.
1.
a. without a backbone or spinal column; not vertebrate.
b. of or pertaining to creatures without a backbone.
2. without strength of character.
n.
3. an invertebrate animal.
4. a person who lacks strength of character.
[1820–30; < New Latin]
in•ver′te•bra•cy (-brə si) in•ver′te•brate•ness, n.

in·ver·te·brate

(ĭn-vûr′tə-brĭt, ĭn-vûr′tə-brāt′)
Adjective
Having no backbone or spinal column.
Noun
An animal, such as a coral, insect, or worm, that has no backbone. Most animals are invertebrates.

invertebrate


click for a larger image
An animal without a backbone, e.g. an earthworm, or locust.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.invertebrate - any animal lacking a backbone or notochordinvertebrate - any animal lacking a backbone or notochord; the term is not used as a scientific classification
animal, animate being, beast, creature, fauna, brute - a living organism characterized by voluntary movement
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
zoophyte - any of various invertebrate animals resembling a plant such as a sea anemone or coral or sponge
parazoan, poriferan, sponge - primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
cnidarian, coelenterate - radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
comb jelly, ctenophore - biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a comb
worm - any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
woodborer, borer - any of various insects or larvae or mollusks that bore into wood
rotifer - minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton
mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell
phoronid - hermaphrodite wormlike animal living in mud of the sea bottom
bryozoan, moss animal, polyzoan, sea mat, sea moss - sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
ectoproct - sessile mossy aquatic animal having the anus of the polyp outside the crown of tentacles
entoproct - any of various moss-like aquatic animals usually forming branching colonies; each polyp having a both mouth and anus within a closed ring of tentacles
Symbion pandora - only known species of Cycliophora; lives symbiotically attached to a lobster's lip by an adhesive disk and feeding by means of a hairy mouth ring; its complex life cycle includes asexual and sexual phases
brachiopod, lamp shell, lampshell - marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; found worldwide
peanut worm, sipunculid - small unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanut
echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies
invertebrate foot, foot - any of various organs of locomotion or attachment in invertebrates
peristome - region around the mouth in various invertebrates
exoskeleton - the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs
Adj.1.invertebrate - lacking a backbone or spinal column; "worms are an example of invertebrate animals"
zoological science, zoology - the branch of biology that studies animals
vertebrate - having a backbone or spinal column; "fishes and amphibians and reptiles and birds and mammals are verbetrate animals"

invertebrate

noun see crustaceans, snails, slugs and other gastropods, spiders and other arachnids

Invertebrates

Types of invertebrates  amoeba or (U.S.) ameba, animalcule or animalculum, arrowworm, arthropod, bivalve, bladder worm, box jellyfish or (Austral.) sea wasp, brachiopod or lamp shell, brandling, bryozoan or (colloquial) sea mat, catworm, white worm, or white cat, centipede, chicken louse, chiton or coat-of-mail shell, clam, clappy-doo or clabby-doo (Scot.), cockle, cone (shell), coral, crown-of-thorns, ctenophore or comb jelly, cuttlefish or cuttle, daphnia, earthworm, eelworm, gaper, gapeworm, gastropod, Guinea worm, horseleech, jellyfish, lancelet or amphioxus, leech, liver fluke, lugworm, lug, or lobworm, lungworm, millipede, millepede, or milleped, mollusc, mussel, octopus or devilfish, otter shell, oyster, paddle worm, paper nautilus, nautilus, or argonaut, pearly nautilus, nautilus, or chambered nautilus, piddock, Portuguese man-of-war, quahog, hard-shell clam, hard-shell, or round clam, ragworm or (U.S.) clamworm, razor-shell or (U.S.) razor clam, red coral or precious coral, roundworm, sandworm, scallop, sea anemone, sea cucumber, sea lily, sea mouse, sea pen, sea slater, sea squirt, sea urchin, seed oyster, soft-shell (clam), sponge, squid, starfish, stomach worm, stony coral, sunstar, tapeworm, tardigrade or water bear, tellin, teredo or shipworm, trepang or bêche-de-mer, tube worm, tubifex, tusk shell or tooth shell, Venus's flower basket, Venus's-girdle, Venus shell, vinegar eel, vinegar worm, or eelworm, water louse or water slater, water measurer, water stick insect, wheatworm, whipworm, woodborer, worm
Extinct invertebrates  ammonite, belemnite, eurypterid, graptolite, trilobite
Translations
لا فقاري، عديم الفِقار
bezobratlý
hvirvelløst dyr
selkärangaton
hrygglaus
bestuburis
bezmugurkaulainsbezmugurkaulnieks
omurgasız

invertebrate

[ɪnˈvɜːtɪbrɪt]
A. ADJinvertebrado
B. Ninvertebrado/a m/f

invertebrate

[ɪnˈvɜːrtɪbrət]
n (= creature) → invertébré m
adj [creature] → invertébré(e)inverted commas npl (British)guillemets mpl
in inverted commas → entre guillemetsinverted snobbery nsnobisme m à rebours

invertebrate

nWirbellose(r) m, → Invertebrat m (spec)
adjwirbellos

invertebrate

[ɪnˈvɜːtɪbrɪt] n & adjinvertebrato/a

invertebrate

(inˈvəːtibrət) adjective, noun
(an animal eg a worm or insect) not having a backbone.
References in classic literature ?
I judged that she had imbibed this invertebrate dialect from the natural way the names of things and people-- mostly purely local--rose to her lips.
Then last I looked at Ready; and he leant invertebrate over the rail, gasping pitiably from his exertions in regaining the poop, a dying man once more.
The few observations which I was enabled to make were almost exclusively confined to the invertebrate animals.
Polly Davis, now married for better or for worse to that curious invertebrate person, Algie Wetherby, was the only real friend Claire had made on the stage.
Prof Eric Cross, dean of cultural affairs at Newcastle University, says: "The Spineless exhibition provides an excellent opportunity to showcase the wealth of invertebrate specimens in the Great North Museum: Hancock's collections.
April 20, 2015 /PRNewswire/ -- The Haagen-Dazs brand is stepping up its ongoing commitment to the Haagen-Dazs loves Honey Bees(TM) program with a new sustainable agricultural program for its farmer suppliers in partnership with the Xerces Society for Invertebrate Conservation.
While the majority of promising marine natural products are isolated from invertebrates such as sponges and corals, it is now clear that most of these metabolites are produced by microbes associated with the host invertebrate.
It is therefore good to be able to say that at last there are signs that the invertebrate population is slowly on the increase.
40 FIRE AND NO RAIN: REDUCED VERTEBRATE AND INVERTEBRATE ABUNDANCE AND DIVERSITY IN THE WAKE OF THE 2013 CAMARILLO SPRINGS FIRE
Washington, July 25 ( ANI ): A new study has revealed that invertebrate numbers have decreased by 45 percent on average over a 35 year period in which the human population doubled.
In the Rio Puerco watershed, we collected 81 terrestrial invertebrate taxa, including 46 that were collected only in that watershed.
Volunteers are invited to join members of the Freshwater Invertebrate Network Birmingham and Black Country group (FINBCC), who have already discovered pollution at several sites in the area - including Wash Brook in Washwood Heath.