non-actinic
|non-ac-tin-ic|
C2
/nɒn-ækˈtɪnɪk/
light without chemical effect
Etymology
Etymology Information
'non-actinic' originates from the prefix 'non-' meaning 'not' and 'actinic' from Greek 'aktinos' meaning 'ray'.
Historical Evolution
'Actinic' was derived from the Greek word 'aktinos', and the prefix 'non-' was added to form 'non-actinic'.
Meaning Changes
Initially, 'actinic' referred to light causing chemical changes, and 'non-actinic' was coined to describe light that does not cause such changes.
Meanings by Part of Speech
Adjective 1
not causing a chemical change when exposed to light.
The non-actinic light in the darkroom prevents the film from being exposed.
Synonyms
Antonyms
Last updated: 2025/05/15 00:06