a. (Chem.) Of, pertaining to, or containing, boron. [ 1913 Webster ]
Boric acid,
n. (Chem.) A binary compound of boron with a more positive or basic element or radical; -- formerly called
n.
One of the most important applications of boring is in the formation of artesian wells. Tomlinson. [ 1913 Webster ]
Boring bar,
Boring tool (Metal Working),