conception(redirected from conception efficiency)
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conception(Beginning), noun concept, design, idea, ingenuity, invention, notion, original plan, origination, plan, thought
conception(Insemination), noun beginning of life, fecundation, fecundity, fertilization, impregnation, inceppion of pregnancy, pregnancy, superimpregnation
See also: apprehension, arrangement, cognition, comprehension, concept, conviction, design, idea, impression, notion, perception, perspective, persuasion, plan, presumption, side, supposition, understanding, vision