What word does your mother always say?
1570s, "one who produces or originates," agent noun from breed (v.). Meaning "one who breeds cattle" or some other animal is recorded from 1530s. Of nuclear reactors, from 1948. As a scornful homosexual term for "heterosexual person," attested from 1986.
|breeder reactor |
A nuclear reactor that is used to create fissionable material (such as plutonium-239) by exposing nonfissionable material (such as uranium-238) to radiation. The source of the radiation is usually some other fissionable material. Breeder reactors produce more fissionable material than they use up.
Note: Breeder reactors are designed to produce more fuel than they consume.
Note: The development of the breeder reactor has been stopped in the United States, but continues to be pursued in Europe and Japan.
A heterosexual person; straight: the scornful term ''breeders,'' used by some urban gays about heterosexual couples with children (1980s+ Homosexuals)