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Coalescence

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Coalesce, coalescence or coalescent can refer to:

Chemistry and physics

  • Coalescence (chemistry), the process by which two or more separate masses of miscible substances seem to "pull" each other together should they make the slightest contact
  • Coalescence (physics), the merging of two or more droplets, bubbles or particles into one
  • Coalescer, device which induces coalescence in a medium

Computer science

  • Coalescence (computer science), the act of merging adjacent free blocks of memory to fill gaps caused by memory deallocation
  • COALESCE, an SQL function that selects the first non-null from a range of values
  • Null coalescing operator, a binary operator that is part of the syntax for a basic conditional expression in several programming languages
  • Coalesced hashing, a strategy of hash collision resolution in computing
  • Interrupt coalescing, a technique where events which would normally trigger a hardware interrupt are held back until either a certain amount of work is pending or a timeout timer triggers
  • Timer coalescing, an energy-saving technique for processors

Other fields of science

  • Coalescence (genetics) or the coalescent theory, the merging of genetic lineages backwards to a most recent common ancestor, in other words a model of how alleles sampled from a population may have originated from a common ancestor
  • Coalescence (linguistics), also known as fusion (phonetics) or vowel coalescence, a sound change where two or more phonological segments with distinctive features merge into a single segment
  • In geography, the process by which urban sprawl produces a linear conurbation
  • Microvoid coalescence (materials science), a high energy microscopic fracture mechanism observed in the majority of metallic alloys and in some engineering plastics

Popular culture

See also

Topics referred to by the same term Disambiguation iconThis disambiguation page lists articles associated with the title Coalescence.
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