n.
1.a group of independent but interrelated elements comprising a unified whole
2.instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity
3.a complex of methods or rules governing behavior
4.a procedure or process for obtaining an objective
5.a group of physiologically or anatomically related organs or parts
6.an organized structure for arranging or classifying
7.(physical chemistry) a sample of matter in which substances in different phases are in equilibrium
8.the living body considered as made up of interdependent components forming a unified whole
9.an ordered manner
Idiom of the Day
touch and go
uncertain, in a dangerous situation
It was touch and go whether the girl was going to survive after the car accident.
