neologism Meaning, Definition & Usage

  1. noun a newly invented word or phrase
    neology; coinage.
  2. noun the act of inventing a word or phrase
    neology; coinage.

WordNet

Ne*ol"o*gism noun
Etymology
Cf. F. néologisme.
Definitions
  1. The introduction of new words, or the use of old words in a new sense. Mrs. Browning.
  2. A new word, phrase, or expression.
  3. A new doctrine; specifically, rationalism.

Webster 1913