What does the word unison mean?

Usage examples for unison

  1. Occasional chairs have only lately been introduced, and the whole suite is in unison, though harmony with the carpet has been overlooked, or rather never thought of, the two things having been chosen separately, and without any idea that it would be an improvement if they were to match. – Town Life in Australia 1883 by R. E. N. (Richard) Twopeny
  2. A very desirable condition in connection with the combination of a finisher card and a draw- head is that the two distinct parts should work in unison. – The Jute Industry: From Seed to Finished Cloth by T. Woodhouse and P. Kilgour
  3. " Yes," said both men in unison. – The Prince of Graustark by George Barr McCutcheon