crustal
/ˈkɹʌstəl/
Word Rarity
Very rare
Frequency: 2.47 in modern English
9
Scrabble Score
7
Letters
2
Syllables
7
Unique Chars
Meaning
adj
Of, pertaining to, or forming a crust, especially the crust of the Earth or other planet.
Example Sentences
- "The hope was to lower a drill through over 4,000 metres of Pacific Ocean water off the coast of Mexico and drill some 5,000 metres through relatively thin crustal rock."
Etymology
Etymology tree Proto-Indo-European *krews- Proto-Indo-European *-tós Proto-Indo-European *krustós Proto-Italic *krustosder. Latin crusta Anglo-Norman crustebor. Middle English cruste English crust English -al English crustal From crust + -al.
Regional Pronunciation
- British English: /ˈkɹʌstəl/
Inflected Forms
more crustal (comparative)
most crustal (superlative)