estimate, estimation, approximation, idea -- (an approximate calculation of quantity or degree or worth; "an estimate of what it would cost"; "a rough idea how long it would take")
approximation -- (the quality of coming near to identity (especially close in quantity))
approximation -- (an imprecise or incomplete account; "newspapers gave only an approximation of the actual events")
approximation, bringing close together -- (the act of bringing near or bringing together especially the cut edges of tissue)
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