Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of invertebrate is as below...

Invertebrated :: Invertebrated (a.) Having no backbone; invertebrate.

Brain :: Brain (n.) The anterior or cephalic ganglion in insects and other invertebrates.

Pneumoskeleton :: Pneumoskeleton (n.) A chitinous structure which supports the gill in some invertebrates.

Pylorus :: Pylorus (n.) A posterior division of the stomach in some invertebrates.

Water Tube :: Water tube () One of a system of tubular excretory organs having external openings, found in many invertebrates. They are believed to be analogous in function to the kidneys of vertebrates. See Illust. under Trematodea, and Sporocyst..

Disk :: Disk (n.) The lower side of the body of some invertebrates, especially when used for locomotion, when it is often called a creeping disk..

Myohaematin :: Myohaematin (n.) A red-colored respiratory pigment found associated with hemoglobin in the muscle tissue of a large number of animals, both vertebrate and invertebrate..

Homogangliate :: Homogangliate (a.) Having the ganglia of the nervous system symmetrically arranged, as in certain invertebrates; -- opposed to heterogangliate..

Beak :: Beak (n.) The long projecting sucking mouth of some insects, and other invertebrates, as in the Hemiptera..

Hypoderma :: Hypoderma (n.) An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids, and some other invertebrates..

Neurula :: Neurula (n.) An embryo or certain invertebrates in the stage when the primitive band is first developed.

Pharyngopneusta :: Pharyngopneusta (n. pl.) A group of invertebrates including the Tunicata and Enteropneusta.

Otocyst :: Otocyst (n.) An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed..

Corneule :: Corneule (n.) One of the corneas of a compound eye in the invertebrates.

Arm :: Arm (n.) A limb, or locomotive or prehensile organ, of an invertebrate animal..

Exoskeleton :: Exoskeleton (n.) The hardened parts of the external integument of an animal, including hair, feathers, nails, horns, scales, etc.,as well as the armor of armadillos and many reptiles, and the shells or hardened integument of numerous invertebrates; external skeleton; dermoskeleton..

Peristome :: Peristome (n.) The membrane surrounding the mouth of an invertebrate animal.

Zoophyte :: Zoophyte (v. i.) Any one of numerous species of invertebrate animals which more or less resemble plants in appearance, or mode of growth, as the corals, gorgonians, sea anemones, hydroids, bryozoans, sponges, etc., especially any of those that form compound colonies having a branched or treelike form, as many corals and hydroids..

Vulva :: Vulva (n.) The orifice of the oviduct of an insect or other invertebrate.

Tunicata :: Tunicata (n. pl.) A grand division of the animal kingdom, intermediate, in some respects, between the invertebrates and vertebrates, and by some writers united with the latter. They were formerly classed with acephalous mollusks. The body is usually covered with a firm external tunic, consisting in part of cellulose, and having two openings, one for the entrance and one for the exit of water. The pharynx is usually dilated in the form of a sac, pierced by several series of ciliated slits, and se

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