verb (used with object), rar·e·fied, rar·e·fy·ing. to make rare or rarer; make less dense: to rarefy a gas. ... verb (used without object), rar·e·fied, rar·e·fy·ing. to become rare or less dense; become thinned: Moisture rarefies when heated.

What does it mean to Rarify?

transitive verb. 1 : to make rare, thin, porous, or less dense : to expand without the addition of matter. 2 : to make more spiritual, refined, or abstruse. intransitive verb.

What is the act of renouncing a throne?

intransitive verb. : to renounce a throne, high office, dignity, or function The king was forced to abdicate. transitive verb. 1 : to relinquish (something, such as sovereign power) formally abdicate a throne.