A very weak acid, used as an antiseptic dusting powder, in saturated solution as a collyrium, and with glycerin in aphthae and stomatitis. SYN: boracic acid.
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boric acid n a white crystalline acid H3BO3 obtained from its salts and used esp. as a weak antiseptic called also boracic acid, orthoboric acid
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bo·ric ac·id (borґik) [NF] a mild acid used as an acidifying agent and in buffer solutions; it is also a weak topical antiseptic used on intact skin and in ophthalmic solutions. It is used as a pesticide to kill ants and cockroaches. Accidental ingestion may cause fatal poisoning (see boron poisoning, under poisoning).Medical dictionary. 2011.