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autoxidation
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autumnal equinox
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autotomy
au·tot·o·my [ aw tóttəmee ]


noun 
Definition:
 
discarding of body part: the casting off of part of the body by an animal when it is caught or attacked by a predator. Lizards, snakes, worms, and crustaceans, e.g. can escape by autotomy.

au·to·tom·ic [ àwtə tómmik ] adjective
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