operation

As a proper noun war

is the personification of war, often depicted in armor, and riding a red horse.

As a noun operation is

operation (method by which a device performs its function).

Reaction is a related term of operation.

As nouns the difference between reaction and operation

is that reaction is while operation is operation (method by which a device performs its function).

As nouns the difference between company and operation

is that company is a team; a group of people who work together professionally while operation is operation (method by which a device performs its function).

As a verb company

is (archaic|transitive) to accompany, keep company with.

As nouns the difference between governance and operation

is that governance is the process, or the power, of governing; government or administration while operation is operation (method by which a device performs its function).

As a noun operation

is operation (method by which a device performs its function).

As an adjective undefined is

lacking a definition or value.

Operation is a related term of event.

As nouns the difference between operation and event

is that operation is operation (method by which a device performs its function) while event is blowhole (of cetaceans).

Operation is a related term of rule.

As a noun operation

is operation (method by which a device performs its function).

As a verb rule is

.

As nouns the difference between phase and operation

is that phase is phase while operation is operation (method by which a device performs its function).

As nouns the difference between research and operation

is that research is (uncountable) diligent inquiry or examination to seek or revise facts, principles, theories, applications, etc; laborious or continued search after truth while operation is operation (method by which a device performs its function).

As a verb research

is to search or examine with continued care; to seek diligently.

As nouns the difference between operation and routine

is that operation is operation (method by which a device performs its function) while routine is .