absorptance
|ab-sorp-tance|
C1
🇺🇸
/əbˈsɔrp.təns/
🇬🇧
/əbˈzɔːp.təns/
fraction of absorbed radiation
Etymology
Etymology Information
'absorptance' originates from the combination of 'absorb' and the suffix '-ance', where 'absorb' meant 'to take in' and '-ance' indicates a state or quality.
Historical Evolution
'absorb' changed from the Latin word 'absorbere' and eventually became the modern English word 'absorb'.
Meaning Changes
Initially, it meant 'the act of absorbing', but over time it evolved into its current meaning of 'the fraction of radiation absorbed'.
Meanings by Part of Speech
Noun 1
the fraction of radiation absorbed by a surface or material.
The absorptance of the material was measured to determine its efficiency.
Synonyms
Antonyms
Last updated: 2025/04/08 05:06