| incubation | (noun) maintaining something at the most favorable temperature for its development | - |
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| (noun) sitting on eggs so as to hatch them by the warmth of the body | Synonyms: brooding |
| (noun) (pathology) the phase in the development of an infection between the time a pathogen enters the body and the time the first symptoms appear | - |
| incubator | (noun) 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 |
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| scuba | (noun) a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus | Synonyms: Aqua-Lung, aqualung |
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| succuba | (noun) a female demon believed to have sexual intercourse with sleeping men | Synonyms: succubus |
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