As verbs the difference between rarefy and ratify
is that rarefy is to make rare, thin, porous, or less dense while ratify is to give formal consent to; make officially valid.
rarefy
English
Alternative forms
* rarify
Verb
(en-verb)
To make rare, thin, porous, or less dense
To expand or enlarge without adding any new portion of matter to.
Synonyms
* stretch
Antonyms
* condense
ratify
English
Verb
(en-verb)
To give formal consent to; make officially valid.
Synonyms
* (give formal consent to): approve
Related terms
* ratification
* ratifier