Coalescence

Look up coalescence in Wiktionary, the free dictionary.

Coalescence may refer to:

• Coalescence (genetics), the merging of genetic lineages backwards to a most recent common ancestor
• Coalescence (linguistics), the merging of two or more phonological segments into one
• Coalescence (physics), the merging of two or more droplets, bubbles or particles into one
• Coalescence (computer science), the merging of adjacent blocks of memory to fill gaps caused by deallocated memory
• COALESCE, a SQL command that selects the first non-null from a range of values
• Coalescence (chemistry), the process by which three separate masses of miscible substances seem to "pull" each other together should they make the slightest contact.
• Geography. The process by which urban sprawl produces a linear conurbation such as the Japanese Megalopolis.

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