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verb (used with object), in·sem·i·nat·ed, in·sem·i·nat·ing.
  1. to inject semen into (the female reproductive tract); impregnate.
  2. to sow; implant seed into.
  3. to sow as seed in something; implant: to inseminate youth with new ideas.
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Origin of inseminate

1615–25; < Latin insēminātus past participle of insēmināre to implant, impregnate, equivalent to in- in-2 + sēminātus (equivalent to sēminā(re) to sow, derivative of sēmen seed (cf. semen) + -tus past participle suffix)
Related formsin·sem·i·na·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for inseminate


verb (tr)
  1. to impregnate (a female) with semen
  2. to introduce (ideas or attitudes) into the mind of (a person or group)
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Derived Formsinsemination, nouninseminator, noun

Word Origin

C17: from Latin insēmināre, from in- ² + sēmināre to sow, from sēmen seed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for inseminate


1620s, "to cast as seed," from Latin inseminatus, past participle of inseminare "to sow, implant," from in- "in" (see in- (2)) + semen (genitive semenis) "seed." Meaning "to impregnate with semen" is attested from 1923. Related: Inseminated; inseminating.

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Online Etymology Dictionary, © 2010 Douglas Harper

inseminate in Medicine


  1. To introduce or inject semen into the reproductive tract of a female.
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Related formsin•sem′i•nation n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.