: one engaged in the breeding of a specified organism
c
: a nuclear reactor designed to produce more fissionable material than it uses as fuel
called alsobreeder reactor
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After surveying for over 40 consecutive breeding seasons, researchers were able to decipher the relationship between breeders and helpers.—Jay Kakade
may 18, New Atlas, 18 May 2025 The next month, the USDA OIG released a report on inspections of dog breeders — some of which supply dogs to research facilities.—Rachel Fobar, Vox, 14 May 2025 New plant varieties with unique qualities are introduced by breeders and hybridizers every year.—Arricca Elin Sansone, Southern Living, 9 May 2025 The green parakeet has proven to be a prolific breeder, producing multiple offspring each year.—Scott Travers, Forbes.com, 3 May 2025 See All Example Sentences for breeder
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