noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of various procedures of enlarging a topological space to make it compact. countable, uncountable
2. 2
   The space resulting from any such procedure. countable, uncountable
3. 3
   Any modification of a theory such that an infinite parameter becomes finite. countable, uncountable
4. 4
   The reduction of the number of large spacetime dimensions of a physical theory by making some of them compact. countable, uncountable

Etymology

From compact + -ification.

Related phrases

Freund-Rubin compactificationStone-Čech compactificationWallman compactificationbeta-compactificationtopological space

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.