opalescence
/ˌəʉpəˈlesəns/
Word Rarity
Very rare
Frequency: Zipf frequency 1.53 in modern English
17
Scrabble Score
11
Letters
2
Syllables
8
Unique Chars
Meaning
noun
the milky iridescent appearance of a dense transparent medium when it is illuminated by polychromatic visible radiation (such as sunlight) due to local fluctuations in its density and therefore in its refractive index
Countable; Uncountable
Etymology
Etymology tree English opal Proto-Indo-European *-éh₁ti Proto-Indo-European *-sḱéti Proto-Indo-European *-éh₁sḱeti Proto-Italic *-ēskō Latin -ēscō Latin -escensder. English -escence English opalescence From opal + -escence.
Regional Pronunciation
- American English: /ˌəʉpəˈlesəns/