n. (Chem.) A quantity of a substance equal to the molecular weight of a substance expressed in grams; a gram molecule; the basic unit of amount of substance adopted under the System International d'Unites; as, he added two mols of dextrose to the medium. Syn. -- gram molecule, mole. [ WordNet 1.5 ]
adj. (Chem.) Being at a concentration with the designated number of moles (of solute) per 1000 grams of solvent; as, an 0.5 molal solution of glycerol in water. Compare molar. [ WordNet 1.5 ]
n. (Chem.) A measure of concentaration of substances in mixtures, 1 molal being the concentration of a solution containing 1 mole of solute per 1000 grams of solvent. Compare molar. [ WordNet 1.5 ]
n. (Anat.) Any one of the teeth back of the incisors and canines. The molars which replace the deciduous or milk teeth are designated as premolars, and those which are not preceded by deciduous teeth are sometimes called true molars. See Tooth. [ 1913 Webster ]
a. [ L. molaris, fr. mola mill, fr. molere to grind in a mill. See Mill the machine. ] Having power to grind; grinding; as, the molar teeth; also, of or pertaining to the molar teeth. Bacon. [ 1913 Webster ]
a. [ L. moles mass. ] (Chem.) Being at a concentration having the designated number of moles (of solute) per liter of solvent; as, an 0.2 molar solution of sodium chloride in water is close to isotonic. [ PJC ]
a. [ L. moles mass. ] (Mech.) Of or pertaining to a mass of matter; -- said of the properties or motions of masses, as distinguished from those of molecules or atoms. [ PJC ]
n. [ F. molasse, prob. fr. mollasse flabby, flimsy, fr. L. mollis soft. ] (Geol.) A soft Tertiary sandstone; -- applied to a rock occurring in Switzerland. See Chart of Geology. [ 1913 Webster ]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
