Definify.com
Webster 1913 Edition
Direct-acting
Di-rect′-actˊing
,Adj.
(Mach.)
Acting directly, as one part upon another, without the intervention of other working parts.
Direct-acting steam engine
, one in which motion is transmitted to the crank without the intervention of a beam or lever; – also called
– direct-action steam engine
. Direct-acting steam pump
, one in which the steam piston rod is directly connected with the pump rod; – also called
direct-action steam pump
.