(chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid
(physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium; "the absorption of photons by atoms or molecules"
the finest or most superior quality of its kind; "the ultimate in luxury"
being the last or concluding element of a series; "the ultimate sonata of that opus"; "a distinction between the verb and noun senses of `conflict' is that in the verb the stress is on the ultimate (or last) syllable"
furthest or highest in degree or order; utmost or extreme; "the ultimate achievement"; "the ultimate question"; "man's ultimate destiny"; "the ultimate insult"; "one's ultimate goal in life"
the end of a word (a suffix or inflectional ending or final morpheme); "I don't like words that have -ism as an ending"
event whose occurrence ends something; "his death marked the ending of an era"; "when these final episodes are broadcast it will be the finish of the show"