Efficient | Meaning of efficient

See here, the meanings of the word efficient, as video and text.

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efficient (adjective)
Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.

efficient (adjective)
Expressing the proportion of consumed energy that was successfully used in a process; the ratio of useful output to total input.
The motor is only 20% efficient at that temperature.

efficient (adjective)
Causing effects, producing results; bringing into being; initiating change. (Rare except in philosophical and legal expression efficient cause = causative factor or agent.)

efficient (adjective)
(proscribed, old use) Effective.

Reference:
efficient
January 24, 2019

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