bitartrate

noun Chemistry.

1. a tartrate in which only one of the two acidic hydrogen atoms of tartaric acid is replaced by a metal or positive group; an acid tartrate; a hydrogen tartrate, as sodium bitartrate.

noun

1. (not in technical usage) a salt or ester of tartaric acid containing the monovalent group -HC 4 H 4 O 6 or the ion HC 4 H 4 O 6 –Also called: hydrogen tartrate

n.

1. The group C4H5O6.
2. A salt of tartaric acid containing this group.