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Capable of uniting with five molecules of a monacid base; having five acid hydrogen atoms capable of substitution by a basic radical; -- said of certain acids.

A chloride having five atoms of chlorine in each molecule.

Capable of neutralizing, or combining with, five molecules of a monobasic acid; having five hydrogen atoms capable of substitution by acid residues; -- said of certain complex bases.

c., and obtained as a colorless liquid; -- so called from the fifteen carbon atoms in the molecule.

quids, two of which occur in petroleum. So called because of the five carbon atoms in the molecule.

Having five atoms in the molecule.

gars of the formula C5H10O5, as arabinose; -- so called from the five carbon atoms in the molecule. They are not fermented by yeast.

An oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide, P2O5.

used in the composition on the tips of friction matches, and for many other purposes. The molecule contains four atoms. Symbol P. Atomic weight 31.0.

stone or concrete heaped loosely in the water to make a foundation (as for a sea wall), a mole, etc.

One of the small particles or organic molecules of protoplasm. Haeckel.

The duck mole. See under Duck.

Capable of neutralizing, or of combining with, several molecules of a monobasic acid; having more than one hydrogen atom capable of being replaced by acid radicals; -- said of certain bases; as, calcium hydrate and glycerin are polyacid bases.

Having more than one atom in the molecule; consisting of several atoms.

Capable of neutralizing, or of combining with, several molecules of a monacid base; having several hydrogen atoms capable of being replaced by basic radicals; -- said of certain acids; as, sulphuric acid is polybasic.

A bromide containing more than one atom of bromine in the molecule.

A chloride containing more than one atom of chlorine in the molecule.

A iodide having more than one atom of iodine in the molecule.

that is, having the same elements united in the same proportion by weight), but different molecular weights; -- often used with with; thus, cyanic acid (CNOH), fulminic acid (C2N2O2H2), and cyanuric acid (C3N3O3H3), are polymeric with each other.

To cause polymerization of; to produce polymers from; to increase the molecular weight of, without changing the atomic proportions; thus, certain acids polymerize aldehyde.