Vapor, member of the U-Foes, can transform into any gaseous matter.

Every few seconds, there would be a bright eruption from the inside, a brief fountain of gaseous matter spewed out into space like a geyser.

Temperature determines the rate of condensation of gaseous matter into solids.

Since there wasn't any gaseous matter present (or hardly any), the material could not combust.

Many things such as machinery, paint and the breath of living people give off gaseous and particulate matter.

Especially awesome were the vast clouds of gaseous matter which drifted eastward, with internal temperatures rising to thousands of degrees.

We learned in school that there are three common states of matter: solid, liquid or gaseous.

Jupiter is composed primarily of gaseous and liquid matter.

The first and most common is the growth of a massive object by gravitationally attracting more matter, typically gaseous matter in an accretion disk.

Sound may be heard through solid, liquid, or gaseous matter.