Emits meaning

When heated or rubbed it emits a peculiar disagreeable odour.

At the summit are two deep craters, the southern of which emits steam.

By sublimation in a current of hydrogen it can be crystallized in the form of regular octahedra; it is slightly harder than tin, but is softer than zinc, and like tin, emits a crackling sound when bent.

When lit, the wick emits light and a small amount of heat.

The first group, named the " luminophore," is such that when excited by suitable aetherial vibrations emits radiant energy; the other, named the " fluorogen," acts with the luminophore in some way or other to cause the fluorescence.