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Webster 1913 Edition

Thermogen

Ther′mo-gen

,

Noun.

[

Thermo-

+

-gen

.]

(Old Chem.)

Caloric; heat; regarded as a material but imponderable substance.

Definition 2024

thermogen

thermogen

English

Noun

thermogen ‎(uncountable)

(chemistry, obsolete) heat, regarded as a material but imponderable substance