Speakur

Word Pronunciation & Dictionary

optical activity

Word Rarity Uncommon

Frequency: Zipf frequency 4.00 in modern English

Syllables
op-ti-cal ac-tiv-i-ty
IPA
27
Scrabble Score
15
Letters
6
Syllables
9
Unique Chars

Meaning

noun

a property caused by asymmetrical molecular or crystal structure that enables a compound or crystal to rotate the plane of incident polarized light

noun

A measure of the amount of optical rotation produced by a standard amount of a substance

Inflected Forms

optical activities (plural)

Phrases

optical rotation optically active

Frequently Paired Words

optical rotation optically active polarimeter stereoisomerism

Questions

What does optical activity mean?
a property caused by asymmetrical molecular or crystal structure that enables a compound or crystal to rotate the plane of incident polarized light

How to pronounce optical activity

  1. Open the pronunciation page — Open the Speakur entry for “optical activity”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “optical activity”.
  4. Repeat and practice — Say “optical activity” aloud, matching stress and vowels until it feels natural.