[f. THERMO- + -TYPE.] Name proposed for an impression obtained from an object by means of heat. Hence Thermotypic a., of or pertaining to thermotypes or thermotypy; Thermotypy, the process or art of making thermotypes.
1864. Webster, Thermotype; Thermotypy.
1877. Knight, Dict. Mech., Thermotype, an impression (as of a slice of wood) taken by means of wetting with dilute acid, pressing on the object, and subsequently heating the impression.
1909. Cent. Dict., Suppl., Thermotypic.
