synchro-
Synchronous.
[The first part of English synchronous, from Greek sun-, together, plus khronos, time.]
Something synchronous exists or occurs at the same time as some other event. Examples of synchro- include synchromesh, a system for changing gear easily, short for synchronized mesh; synchroflash, in which the opening of the camera shutter is synchronized with the firing of a flash gun; synchrotron, a cyclotron in which the magnetic field strength increases in time with the energy of the particles to keep their orbital radius constant. Synchro as a free-standing word can be an abbreviation of synchromesh or synchronized swimming, or refer in general to synchronized operations.
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