expansion
PURPLE
quaternary
BF00FF;191,0,255
expansion
noun
ex·pan·sion | \ ik-ˈspan-shən \
Definition of expansion
1: EXPANSE
2: the act or process of expanding
3: the quality or state of being expanded
4: the increase in volume of working fluid (such as steam) in an engine cylinder after cutoff or in an internal combustion engine after explosion
5a: an expanded part
b: something that results from an act of expanding 6: the result of carrying out an indicated mathematical operation: the expression of a function in the form of a series
6: the act of growing or increasing : ENLARGEMENT