bisexuality

The English word “bisexuality” has 2 meanings listed here.

noun

The state of being sexually attracted to members of either sex; experiencing both heterosexual and homosexual attraction.
The state of being bisexual (“having both male and female parts or roles”).

From bisexual + -ity.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.