Coalescence

Coalesce, coalescence or coalescent can refer to:

Chemistry and physics[edit]

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

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

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

Coalesce (band), a metalcore band from Kansas City, Missouri, active from 1994 to 1999, 2005–
- Coalesce discography, a list of Coalesce's albums and songs
- Coalesce / Boysetsfire, a split music album released in 2000, by the bands Boysetsfire and Coalesce covering each other
Coalescence (Whit Dickey album), a 2004 jazz album
Coalescence (Andre Canniere album), a 2013 jazz album
Coalescent, a 2003 science-fiction novel