efficient
Pronunciation:
/əˈfɪʃənt//ɪˈfɪʃənt//əˈfɪʃənt/noun
Definitions
A cause; something that causes an effect
adjective
Definitions
Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy
Example: An efficient process would automate all the routine work.
Expressing the proportion of consumed energy that was successfully used in a process; the ratio of useful output to total input
Example: The motor is only 20% efficient at that temperature.
Causing effects, producing results; bringing into being; initiating change (rare except in philosophical and legal expression efficient cause = causative factor or agent)
Example: Ownership, maintenance, or use of the automobile need not be the direct and efficient cause of the injury sustained
(old use) effective