- gas + -form (Wiktionary)
“But if we consider hydrogen as a gasiform metal, we naturally arrive at the conclusion that _water is the hydroxide of this gasiform metal_, that is _hydrogen hydroxide_, while gaseous hydrochloric and hydrosulphuric acids would be looked upon as respectively the chloride and the sulphide of the metal hydrogen.”
“From these ideas the general one naturally suggested to us is -- a former stage in the frame of material things, perhaps only a point in progress from some other, or a return from one like the present -- universal space occupied with gasiform matter.”
“_relations_, and the _motions_, of all the heavenly bodies, may be accounted for by supposing a previous state of matter, fluid or gasiform, subject only to the law of gravitation.”
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