semiquinone
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
22
Scrabble Score
11
Letters
1
Syllables
8
Unique Chars
Meaning
noun
An intermediate free radical generated in the conversion of quinones to/from hydroquinones.
Etymology
Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Latin sēmi-bor. English semi- English quinine Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English quinic German Ketonbor. English ketone English -one English quinone English semiquinone From semi- + quinone.