bump

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Related to bumping up: bumping into

bump

1. any of the natural protuberances of the human skull, said by phrenologists to indicate underlying faculties and character
2. a rising current of air that gives an aircraft a severe upward jolt
3. Rowing the act of bumping
4. Cricket bump ball a ball that bounces into the air after being hit directly into the ground by the batsman
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

bump

Increment. E.g. C's ++ operator. It is used especially of counter variables, pointers and index dummies in "for", "while", and "do-while" loops.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

solder ball

In BGA chip packages, it is the tiny globe of solder that provides the contact between the chip package and the printed circuit board. Also called a "solder bump." See BGA.
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