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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.

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

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.

Of or pertaining to compounds formed by the condensation of two or more molecules of silicic acid. Polysilicic acid (Chem.), any one of a series of acids formed by the condensation of two or more molecules of silicic acid, with elimination of water.

A sulphide having more than one atom of sulphur in the molecule; -- contrasted with monosulphide.

A minute opening or passageway; an interstice between the constituent particles or molecules of a body; as, the pores of stones.

mbic. Prismatic borax (Chem.), borax crystallized in the form of oblique prisms, with ten molecules of water; -- distinguished from octahedral borax. -- Prismatic colors (Opt.), the seven colors into which light is resolved when passed through a prism; primary colors. See Primary colors, under Color. -- Prismatic com…

rmed with the lowest proportion of silicic acid, or having but one atom of silicon in the molecule.

hich has the lowest proportion of sulphur; a sulphide with but one atom of sulphur in the molecule.

Butane, each molecule of which has four carbon atoms.

id, and obtained as a colorless liquid; -- so called from having four carbon atoms in the molecule. Called also isocrotonic acid.

That which remains of a molecule after the removal of a portion of its constituents; hence, an atom or group regarded as a portion of a molecule; -- used as nearly equivalent to radical, but in a more general sense.