condensation

con·den·sa·tion

noun \ˌkän-ˌden-ˈsā-shən, -dən-\

Definition of CONDENSATION

1

: the act or process of condensing: as a : a chemical reaction involving union between molecules often with elimination of a simple molecule (as water) to form a new more complex compound of often greater molecular weight b : the conversion of a substance (as water) from the vapor state to a denser liquid or solid state usually initiated by a reduction in temperature of the vapor

2

: representation of several apparently discrete ideas by a single symbol especially in dreams

3

: an abnormal hardening of an organ or tissue <connective tissue condensations>