lampasse (mas n)

[Fr.] Her.: The same as LANGUED (q. v.). lămp-ate, a. [Eng. lamp (ic); -ate.] Chem.: A salt of lampic acid. lămp'-black, s . [Eng. lamp , and black . ] A nearly pure form of amorphous carbon, obtained by the imperfect combustion of oil or resin. It is used as a pigment.