Webster's Revised Unabridged Dictionary · 1913

disassemble

disassemble , transitive verb

1.
to take apart; to disconnect the parts of; to convert a whole into its constituent pieces.
2.
(Computers) to convert a computer program in machine language into an equivalent assembly-language file.

disassemble , intransitive verb

to be able to come apart easily; to be converted into constituent parts; as, the rifle disassembles into small pieces for concealment.