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| pro·tru·sile [ prō trss'l, prō tr sl ] or pro·tru·si·ble [ prō trssib'l ] |
adjective |
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| Definition: |
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able to be extended quickly: used to describe an organ or appendage that can be quickly extended, e.g. the mouth of many fishes or the proboscis of nemertine worms
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| [Mid-19th century. < Latin protrus- (see protrusion)] |
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