D defs.my
Entry 1 sense Webster, 1913

Phase out

/(fāz" out`)/ · Phase· out · IPA /feɪ̯z äʊ̯t/
01 v. t. To halt (an activity) in steps, or gradually; as, to phase out use of 386-based PC's.
  1. 1.
    To halt (an activity) in steps, or gradually; as, to phase out use of 386-based PC's.