a. [ad. F. tartreux, f. tartre TARTAR sb.1 + -OUS.) Encrusted with (dental) tartar.
1874. H. Judd., trans. Vergne, in Missouri Dental Jrnl., VI. Feb., 45. This tartrous material had extended upon the gums as far anteriorly as posteriorly.
1904. Brit. Med. Jrnl., 20 Aug., 369. Tongue heavily coated, teeth tartrous.
