noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   The measurement of various aspects of light, especially its intensity. uncountable, usually
2. 2
   measurement of the properties of light (especially luminous intensity) wordnet
3. 3
   The measurement of the intensity and spectrum of light from stars. uncountable, usually

Synonyms

All synonyms

actinologyactinometryaerial photographyaeroballisticsaerodynamicsaerogeology

Etymology

From photo- + -metry.

Related phrases

flame photometrylight-scattering photometry

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.