times, -fold / (typography) a multiple of 全角 (zenkaku, “fullwidth/-height”) or 1 em in Western typography

double / increase

layer, level

Used other than figuratively or idiomatically: see 通常, 運転. / (transport) normal operation / (figuratively, of a person) business as usual; same old same old

material costs; material expenses

cause for concern, grounds for unease

material for experiments; experimental material

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)

unnecessary

needlessness