athermancy

[From Gr. ἀθέρμαντος (at her mantos) = not heated; ἄθερμος ( a thermos ) = without heat: a, priv., and θερμός ( thermos ) = hot.] The term used by Melloni to expre the power which certain bodies have of stopping radiant heat. [DIATHERMANCY.] ( Atkin son: Ganot's Physics , § 373.) a-ther-mạn-oŭs, adj . [From Eng. at her man(cy); -ous.] [ATHERMANCY.] Pertaining or relating to athermancy (q.v.). (It is opposed to diathermanous.)