carotene
/ˈkæɹ.əˌtin/
Word Rarity
Rare
Frequency: 2.59 in modern English
10
Scrabble Score
8
Letters
3
Syllables
7
Unique Chars
Meaning
noun
A class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds.
Countable; Uncountable
noun
Specifically, a number of isomers of tetraterpene hydrocarbons, C₄₀H₅₆, (especially beta-carotene), present in carrots etc, which are converted into vitamin A in the liver.
Countable; Uncountable
Etymology
Etymology tree Ancient Greek καρώ (karṓ)der.? Ancient Greek καρωτόν (karōtón)bor. Latin carōtabor. Middle French carottebor. Middle English karette English car(r)ot English -ene English carotene From car(r)ot + -ene.
Regional Pronunciation
- American English: /ˈkæɹ.əˌtin/
- British English: /ˈkæɹ.əˌtiːn/