MAT n.
An ornamental border made of paper, pasterboard, metal, etc., put under the glass which covers a framed picture; as, the mat of a daguerreotype. Mat grass. (Bot.) (a) A low, tufted, European grass (Nardus stricta). (b) Same as Matweed. -- Mat rush (Bot.), a kind of rush (Scirpus lacustris) used in England for making m…
MUSTARD n.
A powder or a paste made from the seeds of black or white mustard, used as a condiment and a rubefacient. Taken internally it is stimulant and diuretic, and in large doses is emetic. Mustard oil (Chem.), a substance obtained from mustard, as a transparent, volatile and intensely pungent oil. The name is also extended t…
PLASTER n.
Paris.] (Chem.) Anhydrous calcium sulphate, or calcined gypsum, which forms with water a paste which soon sets or hardens, and is used for casts, moldings, etc. The term is loosely applied to any plaster stone or species of gypsum. -- Plaster of Paris bandage (Surg.), a bandage saturated with a paste of plaster of Pa…