alternating gradient


Also found in: Acronyms.

alternating gradient

[′ȯl·tər·nād·iŋ ′grād·ē·ənt]
(electromagnetism)
A magnetic field in which successive magnets have gradients of opposite sign, so that the field increases with radius in one magnet and decreases with radius in the next; used in synchrotrons and cyclotrons.
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