(organic chemistry) The diphenol para-dihydroxy benzene, used as a mild reducing agent in photographic developing; isomeric with catechol and resorcinol.
hydroxyanthraquinone
hydroxyanthraquinone
noun
(organic chemistry) Any of several organic compounds that can be viewed as derivatives of an anthraquinone through replacement of one hydrogen atom by a hydroxyl group.
lonquhard
quadraphonic
quadraphonic
adj
(of a sound system) Employing four independent channels or speakers.
quadraphonics
quadraphonics
noun
quadraphonic sound
quadrillionth
quadrillionth
adj
The ordinal form of the number one quadrillion.
noun
One of a quadrillion equal parts of a whole.
The person or thing in the quadrillionth position.
quadrillionths
quadrillionths
noun
plural of quadrillionth
quadriphonic
quadriphonic
adj
Alternative form of quadraphonic
quadrophonics
quattuordecillionth
queenhood
queenhood
noun
The dignity of character becoming a queen.
The state, rank, or status of a queen.
quindecillionth
quinhydrone
quinhydrone
noun
(chemistry) a molecular complex of a quinone and its corresponding hydroquinone
quondamship
quondamship
noun
(obsolete, rare) The property of being former, no longer current.