Langimage
English

athermanous

|a-ther-man-ous|

C2

🇺🇸

/əˈθɝmənəs/

🇬🇧

/əˈθɜːmənəs/

not allowing heat through

Etymology
Etymology Information

'athermanous' originates from Greek elements, specifically the privative prefix 'a-' and 'thermos' where 'thermos' meant 'hot'.

Historical Evolution

'athermanous' was formed in scientific and technical English (via Neo-Latin/compound formation) from the Greek roots and entered English usage to describe materials not transmitting heat.

Meaning Changes

Initially used in technical descriptions of materials' heat behavior, it has retained this specialized meaning of 'not transmitting heat' in modern usage.

Meanings by Part of Speech

Adjective 1

not transmitting heat; not readily allowing heat to pass through (thermally insulating).

The athermanous coating protected the equipment from high temperatures.

Synonyms

Antonyms

Last updated: 2025/11/10 23:22