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Glossary of Zoology Terms
beginning with letter A
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abomasum Tweet Definition of abomasum Like Definition of abomasum on Facebook
noun (pl=abomasa, pl2=abomasums)
  1. (anatomy) The fourth or digestive stomach of a ruminant, which leads from the third stomach omasum. See ruminantia.
abomasus Tweet Definition of abomasus Like Definition of abomasus on Facebook
noun (pl=abomasi, pl2=abomasuses)
  1. (alternative spelling of, abomasum)
above Tweet Definition of above Like Definition of above on Facebook
  1. Above is often used further elliptically as a noun by omitting the noun, where it is should be clear what is omitted.
See the .
  1. Above is often used elliptically as an adjective by omitting the word said, mentioned, quoted, or the like:
    • the (-said) observations
    • the (-cited) reference
    • the (-quoted) articles
  1. In a higher place; overhead; into or from heaven.
He's in a better place now, floating free as the clouds .''
  1. Earlier in order; higher in the same page; hence, in a foregoing page.
    • (rfdate) w:Dryden, Dryden,
    • : That was said .
      1. Higher in rank or power.
      He appealed to the court .
abranchiate Tweet Definition of abranchiate Like Definition of abranchiate on Facebook
  1. (zoology) Without gills.
acarology Tweet Definition of acarology Like Definition of acarology on Facebook
  1. The study of ticks and mites.
acephalous Tweet Definition of acephalous Like Definition of acephalous on Facebook
  1. Headless
  2. (Zoí¶logy): Without a distinct head; -- a term applied to bivalve mollusks.
  3. (Botany): Having the style spring from the base, instead of from the apex, as is the case in certain ovary, ovaries
  4. Without a leader or chief.
  5. Wanting the beginning
    • A false or structure of sentence. - De Quincey
  6. (Prosody): Deficient in the beginning, as a line of poetry that is missing its expected opening syllable - Brande
achlamydate Tweet Definition of achlamydate Like Definition of achlamydate on Facebook
  1. (Zoí¶logy): Not possessing a mantle; -- said of certain gastropods.
acicula Tweet Definition of acicula Like Definition of acicula on Facebook
noun (plural: aciculae)
  1. One of the needlelike or bristlelike spines or prickles of some animals and plants; also, a needlelike crystal.
adactylous Tweet Definition of adactylous Like Definition of adactylous on Facebook
  1. Without fingers or without toes.
  2. Without claws on the feet (of crustaceous animals).
agouti Tweet Definition of agouti Like Definition of agouti on Facebook
  1. A rodent similar in appearance to a guinea pig but having longer legs.
AI Tweet Definition of AI Like Definition of AI on Facebook
initialism , A.I.
  1. (comptheory) artificial intelligence
  2. (management) action item
  3. (British airforce) airborne intelligence (syn. for an early type of airborne radar).
  4. (agricultural) artificial insemination.
  5. (gaming) reference to the computer opponent(s) and/or the specific behaviors coded into the game ("pathfinding AI" or "economic AI").
  6. (phonetics) articulatory index.
  7. Air India
aliped Tweet Definition of aliped Like Definition of aliped on Facebook
  1. A wing-footed animal; a chiropter or a bat.
  1. Wing-footed; having a membrane connecting the digits.
altricial Tweet Definition of altricial Like Definition of altricial on Facebook
  1. (zoology) Helpless at birth (of young animals); or having young which are helpless at birth.
  • 2001: Altricial young are typical among carnivores, which might be expected to be hampered in their hunting behaviour if the pregnant mother has to carry its young for a long period. " Gonyou, Keeling & Keeling, Social Behaviour in Farm Animals (CABI Publishing 2001, p. 63)
ambergris Tweet Definition of ambergris Like Definition of ambergris on Facebook
  1. (uncountable) A solid, waxy, flammable substance of a dull grey or blackish color, produced in the intestines of the sperm whale. It is used in perfumes.
amebocyte Tweet Definition of amebocyte Like Definition of amebocyte on Facebook
  1. alternative spelling of amoebocyte
amoebocyte Tweet Definition of amoebocyte Like Definition of amoebocyte on Facebook
  1. any cell that has the form or motion of an amoeba
  2. a leukocyte, especially in an in vitro culture
anarthrous Tweet Definition of anarthrous Like Definition of anarthrous on Facebook
  1. (linguistics) (of a noun) not having an article
    In "Renowned curator Jacques Saunière staggered through the vaulted archway of the museum's Grand Gallery." curator is anarthrous.
  2. (biology) (of a limb) not having joints
anthropoid Tweet Definition of anthropoid Like Definition of anthropoid on Facebook
  1. having characteristics of a human being, usually in terms of shape or appearance
  2. having characteristics of an ape
antler Tweet Definition of antler Like Definition of antler on Facebook
  1. a branching and bony structure on the head of deer, moose and elk, normally in pairs. They are grown and shed each year. (Compare with horn, which is generally not shed.)
While hiking in the woods, I found an from a deer.
antlered Tweet Definition of antlered Like Definition of antlered on Facebook
  1. Having antlers.
anurous Tweet Definition of anurous Like Definition of anurous on Facebook
  1. Having no tail.
apodal Tweet Definition of apodal Like Definition of apodal on Facebook
  1. without feet or foot-like body parts
arboreal Tweet Definition of arboreal Like Definition of arboreal on Facebook
  1. of, relating to, or resembling a tree
ARM Tweet Definition of ARM Like Definition of ARM on Facebook
  1. accelerated reply mail: a service of the United States Postal Service
  2. adjustable rate mortgage
armed Tweet Definition of armed Like Definition of armed on Facebook
  1. (past of, arm)
  1. equip, Equipped, especially with a weapon.
  2. (Of a weapon) prepared for use.
articulate Tweet Definition of articulate Like Definition of articulate on Facebook
verb (articulat, ing)
  1. To make clear or effective.
  2. To speak clearly; to enunciate.
I wish he"d his words more clearly.
  1. To explain; to put into words; to make something specific.
I like this painting, but I can"t why.
  1. To bend or hinge something at intervals, or to allow or build something so that it can bend.
an articulated bus
  1. (music) to attack a note, as by tonguing, slurring, bowing, etc.
Articulate that passage heavily.
  1. (anatomy) to form a joint or connect by joints
The lower jaw articulates with the skull at the temporomandibular joint.
  1. clear, effective
  2. especially, speaking in a clear or effective manner
She"s a bright, young woman.
  1. able to bend or hinge at certain points or intervals
The robot arm was in two directions.
astragalus Tweet Definition of astragalus Like Definition of astragalus on Facebook
noun (plural astragali)
  1. (anatomy) The talus.
  2. (botany) A herb genus.
attire Tweet Definition of attire Like Definition of attire on Facebook
  1. One's dress; what one wears; one's clothes.
He was wearing his formal .
  1. (heraldry) The antler of a deer or stag.

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