| abalone |
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noun
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(context, US, Australia, zoology) An edible univalve mollusc of the genus Haliotis, having a shell lined with mother-of-pearl.
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| acaleph |
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noun
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(Zoí¶logy) One of the Acalephae.
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| acarid |
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noun
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Any parasitic arachnid, such as mites and ticks, of the order Acarina
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| acarine |
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adjective
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(Medicine): Of or caused by acarus, acari or mites; as, diseases.
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| acaroid |
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adjective
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(Zoí¶logy): Shaped like or resembling a mite.
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| agnatha |
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noun
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any of several eellike marine or freshwater fish, of the superclass Agnatha, that lack a jaw
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| anamorphosis |
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noun (anamorphoses)
- A distorted image of an object that may be viewed correctly from a specific angle or with a specific mirror
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(biology) a form of limited metamorphosis in some arthropods
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(botany) an abnormal form of some lichens or fungi that gives the appearance of a different species
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| anemone |
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noun
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Any plant of the genus Anemone, of the Ranunculaceae (or buttercup) family, such as the windflower.
- A sea anemone.
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| annelid |
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noun
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any of various wormlike animals, of the phylum Annelida, having a segmented body; they include the earthworm and the leech
adjective
- of, or relating to these creatures
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| asteroid |
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noun (pluralasteroids)
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(astronomy) A naturally occurring solid object, smaller than a planet, orbiting the Sun.
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| auricularia |
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noun (plural)
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(zoology) A kind of holothurian larva, with soft, blunt appendages.
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