gasiformadj.

1799 Med. & Physical Jrnl. 1 68 Water..must always be produced in the explosion of this air; because those substances become disengaged, which rendered the latter inflammable and gasiform, that is to say, an elastic fluid.

1847 Philos. Trans. (Royal Soc.) 137 27 No doubt can possibly be entertained..of their being perfect spherules of liquid without any central part whatever, for containing a gasiform fluid.

1869 E. A. Parkes Man. Pract. Hygiene (ed. 3) 123 Ventilation is, in fact, the problem of the removal of the gasiform excreta of the lungs and skin.

1914 Jrnl. Washington Acad. Sci. 4 213 The preponderant part played by a long series of gasiform substances, deep down in the earth's crust.

1964 PMLA 79 313/1 This gasiform work, the most experimental and the closest to surrealism of Azorín's novels, still resists the label of surrealism.

2010 Brain Res. 1308 43/2 On the day of surgery, the rat was anesthetized with gasiform isoflurane.