por: redução

Information
has URI	http://lexvo.org/id/term/por/redu%C3%A7%C3%A3o

Meaning
means	(noun) a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver reducing agent, reductant, reducer
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means	(noun) the act of decreasing or reducing something step-down, decrease, diminution, reduction