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[see-kwuh n-sing] /ˈsi kwən sɪŋ/
the interruption of a career by a woman to bear and care for children until they reach an age that allows her to resume work.


[see-kwuh ns] /ˈsi kwəns/
the following of one thing after another; succession.
order of succession:
a list of books in alphabetical sequence.
a continuous or connected series:
a sonnet sequence.
something that follows; a subsequent event; result; consequence.
Music. a melodic or harmonic pattern repeated three or more times at different pitches with or without modulation.
Liturgy. a hymn sometimes sung after the gradual and before the gospel; prose.
Movies. a series of related scenes or shots, as those taking place in one locale or at one time, that make up one episode of the film narrative.
Cards. a series of three or more cards following one another in order of value, especially of the same suit.
Genetics. the linear order of monomers in a polymer, as nucleotides in DNA or amino acids in a protein.
Mathematics. a set whose elements have an order similar to that of the positive integers; a map from the positive integers to a given set.
verb (used with object), sequenced, sequencing.
to place in a sequence.
Biochemistry. to determine the order of (chemical units in a polymer chain), especially nucleotides in DNA or RNA or amino acids in a protein.
1350-1400; Middle English < Late Latin sequentia, equivalent to sequ- (stem of sequī to follow) + -entia -ence
Related forms
undersequence, noun
unsequenced, adjective
1. See series. 2. arrangement. 4. outcome, sequel. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for sequencing
  • At the end of the long shop floor is the sequencing machine--about fifteen feet long and five feet high.
  • The rough sequencing of the dog genome is the latest advance in the field of comparative genomics.
  • But as computers become smaller and more powerful, they are pushing down the cost of genetic sequencing.
  • sequencing projects on the human and mouse are near completion-and dogs may be next in line.
  • He says that when whole-genome sequencing arrives, single-gene patents will be of no use.
  • Other elements might follow, but the sequencing matters.
  • One will be to deploy whole-genome sequencing more widely, now that it is becoming so much cheaper.
  • And second, to try to establish an industry standard for sequencing.
  • However, the sequencing of these new policies seemed to make a big difference to how well they worked.
  • Similarly, the sequencing of the human genome was expected to revolutionise the process of drug discovery.
British Dictionary definitions for sequencing


noun (biochem)
the procedure of determining the order of amino acids in the polypeptide chain of a protein (protein sequencing) or of nucleotides in a DNA section comprising a gene (gene sequencing)
(commerce) Also called priority sequencing. specifying the order in which jobs are to be processed, based on the allocation of priorities


an arrangement of two or more things in a successive order
the successive order of two or more things chronological sequence
a sequentially ordered set of related things or ideas
an action or event that follows another or others
  1. (cards) a set of three or more consecutive cards, usually of the same suit
  2. (bridge) a set of two or more consecutive cards
(music) an arrangement of notes or chords repeated several times at different pitches
  1. an ordered set of numbers or other mathematical entities in one-to-one correspondence with the integers 1 to n
  2. an ordered infinite set of mathematical entities in one-to-one correspondence with the natural numbers
a section of a film constituting a single continuous uninterrupted episode
(biochem) the unique order of amino acids in the polypeptide chain of a protein or of nucleotides in the polynucleotide chain of DNA or RNA
(RC Church) another word for prose (sense 4)
verb (transitive)
to arrange in a sequence
(biochem) to determine the order of the units comprising (a protein, nucleic acid, genome, etc)
Word Origin
C14: from Medieval Latin sequentia that which follows, from Latin sequī to follow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sequencing
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." General sense of "succession," also "a sequence at cards," appeared 1570s.
Online Etymology Dictionary, © 2010 Douglas Harper
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sequencing in Medicine

sequence se·quence (sē'kwəns, -kwěns')

  1. A following of one thing after another; succession.

  2. An order of succession; an arrangement.

  3. A related or continuous series.

  4. The order of constituents in a polymer, especially the order of nucleotides in a nucleic acid or of the amino acids in a protein.

v. se·quenced, se·quenc·ing, se·quenc·es
  1. To organize or arrange in a sequence.

  2. To determine the order of constituents in a polymer, such as a nucleic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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sequencing in Science
  1. A set of quantities ordered in the same manner as the positive integers, in which there is always the same relation between each quantity and the one succeeding it. A sequence can be finite, such as {1, 3, 5, 7, 9}, or it can be infinite, such as {1, 1/2 , 1/3 , 1/4 , ... 1/n }. Also called progression.

  2. The order of subunits that make up a polymer, especially the order of nucleotides in a nucleic acid or of the amino acids in a protein.

Verb  To determine the order of subunits of a polymer.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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