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Glossary of Zoology Terms
beginning with letter A
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abomasum
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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
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noun (pl=abomasi, pl2=abomasuses)
  1. (alternative spelling of, abomasum)
above
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noun
  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 .
adjective
  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
adverb
  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
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adjective
  1. (zoology) Without gills.
acarology
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noun
  1. The study of ticks and mites.
acephalous
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adjective
  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
    Quotations
    • 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
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adjective
  1. (Zoí¶logy): Not possessing a mantle; -- said of certain gastropods.
acicula
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noun (plural: aciculae)
  1. One of the needlelike or bristlelike spines or prickles of some animals and plants; also, a needlelike crystal.
adactylous
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adjective
  1. Without fingers or without toes.
  2. Without claws on the feet (of crustaceous animals).
agouti
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noun
  1. A rodent similar in appearance to a guinea pig but having longer legs.
AI
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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
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noun
  1. A wing-footed animal; a chiropter or a bat.
adjective
  1. Wing-footed; having a membrane connecting the digits.
altricial
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adjective
  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
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noun
  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
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noun
  1. alternative spelling of amoebocyte
amoebocyte
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noun
  1. any cell that has the form or motion of an amoeba
  2. a leukocyte, especially in an in vitro culture
anarthrous
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adjective
  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
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adjective
  1. having characteristics of a human being, usually in terms of shape or appearance
  2. having characteristics of an ape
antler
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noun
  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
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adjective
  1. Having antlers.
anurous
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adjective
  1. Having no tail.
apodal
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adjective
  1. without feet or foot-like body parts
arboreal
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adjective
  1. of, relating to, or resembling a tree
ARM
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initialism
  1. accelerated reply mail: a service of the United States Postal Service
  2. adjustable rate mortgage
armed
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verb
  1. (past of, arm)
adjective
  1. equip, Equipped, especially with a weapon.
  2. (Of a weapon) prepared for use.
articulate
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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.
adjective
  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
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noun (plural astragali)
  1. (anatomy) The talus.
  2. (botany) A herb genus.
attire
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noun
  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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