Any simple step in a multi-step chemical engineering process; examples include distillation, evaporation, mixing, filtration, crystallization etc.

plural of binary operation

(arithmetic, computing) Any one of the four basic operations in arithmetic: addition, subtraction, multiplication or division; any one of said operations as implemented on a computer.

(algebra) An operation taking two operands.

(set theory) A mathematical operation that returns a set taking one or more sets as input.

(algebra) An operation taking one operand, such as the square, factorial or absolute value operation.

(law) An application of a legal rule that automatically brings about a legal consequence.

Alternative spelling of cooperation

A showing of something — such as a variable, term, or object — in terms of the specific process or set of validation tests used to determine its presence and quantity.

plural of multiplicative operation