1) Acid salt 2) Certain acid salt 3) Compound of element number 5 4) Industrial mineral 5) Insect-repelling chemical 6) Salt 7) Salt of a certain acid 8) Salt of element number 5 9) White ester 
Borates are the name for a large number of boron-containing oxyanions. The term `borates` may also more loosely refer to chemical compounds which contain borate anions. Larger borates are composed of trigonal planar BO3 or tetrahedral BO4 structural units, joined together via shared oxygen atoms and may be cyclic or linear in structure. Boron mo.....
• (n.) A salt formed by the combination of boric acid with a base or positive radical.
(from the article `boron`) In the form of boric acid or borates, traces of boron are necessary for growth of land plants and thus indirectly essential for animal life. ...
(bor´āt) any salt of boric acid.
Bo'rate noun [ From Boric .] (Chemistry) A salt formed by the combination of boric acid with a base or positive radical. 
Type: Term Pronunciation: bō′rāt Definitions: 1. A salt of boric acid.
Borates are a series of naturally occurring boron ores formed from boric acid.
[n] - a salt or ester of boric acid
noun a salt or ester of boric acid