Definition of


  1. (noun, group) serial arrangement in which things follow in logical order or a recurrent pattern
    he invented a technique to determine the sequence of base pairs in DNA
  2. (noun, attribute) a following of one thing after another in time
  3. (noun, artifact) film consisting of a succession of related shots that develop a given subject in a movie
  4. (noun, act) the action of following in order
  5. (noun, event) several repetitions of a melodic phrase in different keys
  6. (verb, cognition) arrange in a sequence
  7. (verb, communication) determine the order of constituents in

via WordNet, Princeton University

Origin of the word Sequence

  1. late 14c., "hymn sung after the Hallelujah and before the Gospel," from O.Fr. sequence "answering verses" (13c.), from M.L. sequentia "a following, a succession," from L. sequentem (nom. sequens), prp. of sequi "to follow" (see sequel). In Church use, a partial loan-translation of Gk. akolouthia, from akolouthos "following." Gene… more

via Online Etymology Dictionary, ©2001 Douglas Harper

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Ammonium Carbonate

a carbonate of ammonium; used in the manufacture of smelling salts and baking powder and ammonium compounds