actinical
|ac-tin-i-cal|
C1
/ækˈtɪnɪkəl/
(actinic)
light causing reactions
Etymology
Etymology Information
'actinic' originates from Greek, specifically the word 'aktinos,' where 'aktin-' meant 'ray.'
Historical Evolution
'aktinos' transformed into the French word 'actinique,' and eventually became the modern English word 'actinic' through Middle English.
Meaning Changes
Initially, it meant 'related to rays,' but over time it evolved into its current meaning of 'relating to light that can cause photochemical reactions.'
Meanings by Part of Speech
Adjective 1
relating to or denoting light that can cause photochemical reactions, as in photography.
The actinical rays of the sun can cause certain chemical reactions.
Synonyms
Antonyms
Last updated: 2025/04/29 15:21