Definitions

1. noun

The state or quality of being efficient; the ability to do something with a minimum of waste of time, money, effort, etc.

“The company’s new manufacturing process improved efficiency and reduced production costs.”

2. noun

A relation between the output value and the input value in a system, especially in terms of the energy or effort required to achieve a particular outcome.

“The study examined the efficiency of the solar panel system.”

3. noun

A measure of the ratio of output to input or effort in a system, especially in terms of energy or work.

“The engineer calculated the efficiency of the engine to optimize its performance.”

4. adjective

Characterized by or relating to efficiency; able to do something with a minimum of waste of time, money, effort, etc.

“The efficient design of the new building reduced energy consumption.”