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hirudin

[hir-yuh-din, hir-uh-, hi-rood-n]

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noun

a gray or white, water-soluble acidic polypeptide obtained from the buccal gland of leeches, used in medicine chiefly as an anticoagulant.

Origin:
1900–05; formerly trademark

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Hirudin is always a great word to know.

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a fool or simpleton; ninny.

a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.

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Collins

World English Dictionary

hirudin (hɪˈruːdɪn)

—n
	med an anticoagulant extracted from the mouth glands of leeches

[C20: from Latin hirudin-, hirudo leech + -in]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage

Medical Dictionary

hirudin hir·u·din (hĭ-r&oomacr;d'n, hēr'ə-dən, -yə-)
n.
A substance extracted from the salivary glands of leeches and used as an anticoagulant.

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