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20 answers for: A mechanism that causes something to operate
RANKANSWERCLUE
ACTUATORA mechanism that causes something to operate
TIMEBOMBExplosive device with a mechanism that causes it to explode at a particular time (4-4)
TURNSONCauses something to operate (5,2)
CATALYSTIt causes something to happen, in chemistry say (8)
LEADUPSomething that introduces or causes something else (4-2)
POURTo cause something to flow in a downwards stream sounds impecunious
PUFFOUTTo cause something to swell out or expand outward (4,3)
ROTATECause something to turn in a circle (6)
MAKEITPOPCause something to stand out, as with a splash of color
HYDRATECause (something) to absorb water (7)
MAKEITSNAPPYCome along and cause something to break extremely painfully!
EXPEDITECause (something) to happen earlier
TOUCHOFFCause something to happen suddenly
ROTCause something to fester
NECESSITATECause something to be needed, break-up of nice estates (11)
ACTIVATECause something to start working (8)
INFLICTCause (something) to be suffered (7)
ILEATT-shaped metal/wooden device for securing a line or rope on a boat or ship; a wedge-shaped block; or, a mechanism on the sole of a cyclist's shoe for clipping into a pedal (5)
CLEATT-shaped metal/wooden device for securing a line or rope on a boat or ship; a wedge-shaped block; or, a mechanism on the sole of a cyclist's shoe for clipping into a pedal
FAILSAFEIt ensures a return to a safety when something goes wrong with a mechanism (4-4)