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Butyl; -- so called from the four carbon atoms in the molecule.

Butylene; -- so called from the four carbon atoms in the molecule.

Capable of neutralizing three molecules of a monobasic acid or the equivalent; having three hydrogen atoms which may be acid radicals; -- said of certain bases; thus, glycerin is a triacid base.

Capable of neutralizing three molecules of a monacid base, or their equivalent; having three hydrogen atoms capable of replacement by basic elements on radicals; -- said of certain acids; thus, citric acid is a tribasic acid.

A chloride having three atoms of chlorine in the molecule.

ies, resembling paraffin; -- so called because it has twenty-three atoms of carbon in the molecule.

A palmitate derived from three molecules of palmitic acid.

A complex sugar, as raffinose, yielding by hydrolysis three simple sugar molecules.

A nitrate formed from three molecules of nitric acid; also, less properly, applied to certain basic nitrates; as, trisnitrate of bismuth.

See Trist, a. [Obs.] Ashmole.

One who troubles or disturbs; one who afflicts or molests; a disturber; as, a troubler of the peace. The rich troublers of the world's repose. Waller.

scaffold. He who tumbles from a tower surely has a greater blow than he who slides from a molehill. South.

Harassing labor; trouble; molestation by tumult; disturbance; worrying confusion. And there I'll rest, as after much turmoil, A blessed soul doth in Elysium. Shak.

e series, found in petroleum; -- so called from its containing eleven carbon atoms in the molecule.

Beneath; below; in a lower place; under; as, a channel underneath the soil. Or sullen mole, that runneth underneath. Milton.

nature of a unit; not divided; united. Unitary theory (Chem.), the modern theory that the molecules of all complete compounds are units, whose parts are bound together in definite structure, with mutual and reciprocal influence on each other, and are not mere aggregations of more or less complex groups; -- distinguishe…

One who holds the doctrine that the space between the bodies of the universe, or the molecules and atoms of matter., is a vacuum; -- opposed to plenist.

ogen, when multiplied by two, or when compared with air and multiplied by 28.8, gives the molecular weight. -- Vapor engine, an engine worked by the expansive force of a vapor, esp. a vapor other than steam.

heir points of application, -- first used by Clausius in the investigation of problems in molecular physics.

include that part of the kinetic energy of the body which is due to the vibrations of its molecules.