BENZENE n.
me is sometimes applied also to the impure commercial product or benzole, and also, but rarely, to a similar mixed product of petroleum. Benzene nucleus, Benzene ring (Chem.), a closed chain or ring, consisting of six carbon atoms, each with one hydrogen atom attached, regarded as the type from which the aromatic compo…
BRACE n.
A pair; a couple; as, a brace of ducks; now rarely applied to persons, except familiarly or with some contempt. "A brace of greyhounds." Shak. He is said to have shot . . . fifty brace of pheasants. Addison. A brace of brethren, both bishops, both eminent for learning and religion, now appeared in the church. Fuller. B…