Langimage
English

actinism

|ac-tin-ism|

C2

/ˈæktɪˌnɪzəm/

photochemical effect

Etymology
Etymology Information

'actinism' originates from Greek, specifically the word 'aktis,' where 'aktis' meant 'ray.'

Historical Evolution

'aktis' transformed into the French word 'actinisme,' and eventually became the modern English word 'actinism.'

Meaning Changes

Initially, it meant 'ray activity,' but over time it evolved into its current meaning of 'photochemical effect of radiation.'

Meanings by Part of Speech

Noun 1

the property of radiation (especially sunlight) that leads to the production of photochemical effects.

The actinism of sunlight is responsible for the fading of colors in fabrics.

Synonyms

Last updated: 2025/04/29 18:21