Phrasal verbs are two or more words that together act as a completely new verb with a meaning separate from those of the original words.
Phrasal Verb:
dry out
Meaning / Example:
1. to become dry. > The clothes finally dried out in the wet weather.
2. to allow alcohol and the effects of drunkenness, especially if habitual, to dissipate from one's body. > He required about three days to dry out completely.
Phrasal verbs, also called two-word verbs, are idiomatic expressions wherein the second element of the verb (the adverb or particle) is not necessarily predictable.