bisexuality

bisexual

[bahy-sek-shoo-uhl]
adjective
1.
Biology.
a.
of both sexes.
b.
combining male and female organs in one individual; hermaphroditic.
2.
sexually responsive to both sexes; ambisexual.
noun
3.
Biology. an animal or plant that has the reproductive organs of both sexes.
4.
a person sexually responsive to both sexes; ambisexual.

Origin:
1815–25; bi-1 + sexual

bisexuality, bisexualism, noun
bisexually, adverb
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Collins
World English Dictionary
bisexual (baɪˈsɛksjʊəl)
 
adj
1.  sexually attracted by both men and women
2.  showing characteristics of both sexes: a bisexual personality
3.  (of some plants and animals) having both male and female reproductive organs
4.  of or relating to both sexes
 
n
5.  a bisexual organism; a hermaphrodite
6.  a bisexual person
 
bisexuality
 
n
 
bi'sexualism
 
n
 
bi'sexually
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

bisexuality
"attraction to both sexes" 1892, in translation of Krafft-Ebing; bisexual (adj.) in this sense is from 1914; earlier meaning (1824) was "hermaphroditic." Not in general use until 1950s. Noun is recorded from 1922. Ambisexual was suggested 1924 in this sense but never caught on.

bisexual
1824, "having both sexes in one being," from bi- + sexual. Meaning "attracted to both sexes" is from 1914; the noun in this sense is attested from 1922. Cf. bisexuality.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

bisexual bi·sex·u·al (bī-sěk'shōō-əl)
adj.

  1. Relating to both sexes.

  2. Having both male and female reproductive organs; hermaphroditic.

  3. Relating to or having a sexual orientation to persons of either sex.

n.
  1. A bisexual organism; a hermaphrodite.

  2. A bisexual person.


bi'sex·u·al'i·ty (-āl'ĭ-tē) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Cultural Dictionary

bisexuality definition


Sexual activity with, or sexual attraction to, members of both sexes.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

bisexuality

in biology, the condition of an organism capable of producing both male and female gametes (sex cells). In plants and microorganisms, this is often referred to as monoecism. In multicellular animals, bisexuality is usually called hermaphroditism (q.v.).

Learn more about bisexuality with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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