photometry
|pho-to-me-try|
C1
🇺🇸
/fəˈtɑːmətri/
🇬🇧
/fəˈtɒmətri/
measurement of light
Etymology
Etymology Information
'photometry' originates from Greek, specifically the word 'phōs' meaning 'light' and 'metron' meaning 'measure'.
Historical Evolution
'phōs' and 'metron' combined to form the Greek word 'photometria', which eventually became the modern English word 'photometry'.
Meaning Changes
Initially, it meant 'measurement of light', and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Noun 1
the science of measuring visible light in terms of its perceived brightness to the human eye.
Photometry is crucial in designing lighting systems.
Synonyms
Last updated: 2025/05/06 17:12