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or (especially British) synchronise

[sing-kruh-nahyz] /ˈsɪŋ krəˌnaɪz/
verb (used with object), synchronized, synchronizing.
to cause to indicate the same time, as one timepiece with another:
Synchronize your watches.
to cause to go on, move, operate, work, etc., at the same rate and exactly together:
They synchronized their steps and walked on together.
Movies, Television.
  1. to cause (sound and action) to match precisely:
    to synchronize the sound of footsteps with the actor's movements.
  2. to match the sound and action in (a scene).
to cause to agree in time of occurrence; assign to the same time or period, as in a history.
to adjust the periodicities of (two or more electrical or mechanical devices) so that the periods are equal or integral multiples or fractions of each other.
verb (used without object), synchronized, synchronizing.
to occur at the same time or coincide or agree in time.
to go on, move, operate, work, etc., at the same rate and exactly together; recur together.
Origin of synchronize
1615-25; < Greek synchronízein to be contemporary with, equivalent to sýnchron(os) synchronous + -izein -ize
Related forms
synchronization, noun
synchronizer, noun
desynchronization, noun
desynchronize, verb (used with object), desynchronized, desynchronizing.
unsynchronized, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for synchronize


when intr, usually foll by with. to occur or recur or cause to occur or recur at the same time or in unison
to indicate or cause to indicate the same time: synchronize your watches
to download files, esp music or video files, from a PC to a portable device such as an iPod, or to upload files from the device to a PC
(transitive) (films) to establish (the picture and soundtrack records) in their correct relative position
(transitive) to designate (events) as simultaneous
Derived Forms
synchronization, synchronisation, noun
synchronizer, synchroniser, noun
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 synchronize

1620s, "to occur at the same time," from Greek synchronizein "be of the same time," from synchronos "happening at the same time" (see synchronous). The sense of "make synchronous" is first recorded 1806. Synchronized swimming is recorded from 1950.

Online Etymology Dictionary, © 2010 Douglas Harper
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