Without an example.

(derogatory, slang) A person from rural areas of northern North America. Is used to mainly describe rural white Canadians, Alaskans or Upper Midwesterners, where the temperatures in the winter dip ...

(chemistry) boron hydride, B₂H₆, a colourless explosive gas with a nasty smell; it has an unusual structure in which two of the hydrogen atoms form a bridge between the two boron atoms

plural of blacking