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1. Of or relating to only one sex.
2. Having only one type of sexual organ; not a hermaphrodite.
3. Botany Having either stamens or pistils but not both.
4. Unisex.

u′ni·sex′u·al′i·ty (-ăl′ĭ-tē) n.
u′ni·sex′u·al·ly adv.


1. of or relating to one sex only
2. (Biology) (of some organisms) having either male or female reproductive organs but not both
ˌuniˌsexuˈality n
ˌuniˈsexually adv


(ˌyu nəˈsɛk ʃu əl)

1. of or pertaining to one sex only.
2. having only male or female organs in one individual, as an animal or a flower.
3. unisex.
u`ni•sex`u•al′i•ty, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.unisexual - relating to only one sex or having only one type of sexual organunisexual - relating to only one sex or having only one type of sexual organ; not hermaphroditic
sexual - having or involving sex; "sexual reproduction"; "sexual spores"
References in classic literature ?
But if, in fact, all hermaphrodites do occasionally intercross with other individuals, the difference between hermaphrodites and unisexual species, as far as function is concerned, becomes very small.
2009: Reproductive mechanisms of the unisexual diploid-triploid hybrid complex between the spined loach Cobitis hankugensis and Iksookimia longicorpa (Teleostei, Cobitidae) in Korea.
Role of Local Adaptation in the Unique Reproduction Mode of Unisexual Ambystoma Salamanders.
sphenanthera, the unisexual non-rewarding female flower is similar in appearance to the pollen rewarding male flower and uses visual or olfactory cues to attract pollinators (Yuan et al.
Antipredator behavior of the new mass-reared unisexual strain of the Mexican fruit fly.
Isolates of Cryptococcus neoformans from infected animals reveal genetic exchange in unisexual, mating type populations.
The flowers of the cashew trees are hermaphroditic and unisexual, although the males appear at the beginning of flowering, and the hermaphroditic flowers appear near the end.
Most species have bisexual flowers except for a few Asian species with unisexual flowers (Chen & Nooteboom 2003).
Contract awarded for Unisexual district maintenance business consignment
The flowering occurs in August and September and the inflorescences are terminal and unisexual.
Geographical distribution of the unisexual whiptail Cnemidophorus neomexicanus (Sauria: Teiidae)-present and past.