the ratio of the output to the input of any system, skillfulness in avoiding wasted time and effort, The ratio of the energy delivered by a machine to the energy supplied for its operation

being effective without wasting time or effort or expense, Making good, thorough, or careful use of resources; not consuming extra Especially, making good use of time or energy, Causing less waste or requiring less effort than comparable devices or methods Used in combination, noun_ An efficient cause; a prime mover, In mathematics, a quantity multiplied by another quantity to produce the quantity of which it is said to be an efficient; a factor, One who is efficient or qualified; specifically, in the volunteer service of Great Britain, one who has attended the requisite number of drills, and in respect of whom the corps receives the capitation grant paid by government

with efficiency; in an efficient manner, With effect; effectively

use of physical or mental energy; hard work, earnest and conscientious activity intended to do or accomplish something, An exertion of strength or power, whether physical or mental, in performing an act or aiming at an object; more or less strenuous endeavor; struggle directed to the accomplishment of an object, verb_ obsolete To stimulate, uncommon To make an effort

Plural form of effort

Alternative form of eg

oval reproductive body of a fowl (especially a hen) used as food, one of the two male reproductive glands that produce spermatozoa and secrete androgens, A swelling on one's head, usually large or noticeable, associated with an injury, transitive verb_ To encourage or incite to action Used with on, To cover with beaten egg, as in cooking, verb_ To encourage, incite, To dip in or coat with beaten egg (cooking), throw eggs at

oval reproductive body of a fowl (especially a hen) used as food, Plural form of egg, verb_ Third-person singular simple present indicative form of egg

Used in asking a question or in seeking repetition or confirmation of a statement, In isolation, a request for repetition or clarification of what has just been said Compare what, pardon, An expression of inquiry or slight surprise

one of four playing cards in a deck with eight pips on the face, Describing a set or group with eight components, The cardinal number equal to 7 + 1