naphthoquinone
/ˌnafθəʊˈkwɪnəʊn/ /ˌnapθəʊˈkwɪnəʊn/(also naphthaquinone, napthaquinone) Chemistry
noun
Each of six isomeric compounds, C10H6O2, notionally obtained by replacing two of the ≧CH groups of naphthalene by carbonyl groups; specifically (more fully 1,4-naphthoquinone, α-naphthoquinone) a volatile yellow solid whose molecule forms part of the structure of vitamin K.
Origin
Late 19th century; earliest use found in Journal of the Chemical Society. From naphtha + -o- + quinone.
- Passe Crassane
- passed ball
- passed-down
- passed master
- passed-on
- passed-out
- passed-over
- passed pawn
- passeggiata
- passeguard
- passel
- passement
- passementerie
- Passendale
- Passendale, Battle of
- passenger
- passenger cell
- passenger coach
- passenger door
- passenger-kilometer
- passenger-kilometre
- passengerless
- passenger mile
- passenger mileage
- passenger pigeon