Etymology
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incubator (n.)

"apparatus for hatching eggs by artificial heat," 1845, agent noun from incubate (v.). Late Latin incubator meant "one who lies in a place."

updated on November 09, 2015

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Definitions of incubator from WordNet

incubator (n.)
apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants;
Synonyms: brooder
From wordnet.princeton.edu, not affiliated with etymonline.