See Also: chloromethane(medicine)

on-(4) (iou) and chloromethane (medicine)


on-(4) (iou)



on- prefix.
[Unstressed form of Old English an, ON preposition A preposition1. Cf. combs. of ON preposition, ON adjective.]
In various senses of 'on' forming verbs (chiefly obs.), adjectives from pples, verbal nouns & nouns of action (sometimes concrete), as oncoming, onlay, onset; also forming Other types of noun, as on-drive.

chloromethane (medicine)


chloromethane


A refrigerant with anaesthetic properties when inhaled; it hydrolyzes to methanol.

Synonym: methyl chloride.