(climbing) A dynamic climbing move or jump to reach a hold that cannot otherwise be reached. / (informal) A dynamometer.

plural of dyno

(very rare) A mechanical flashlight that is powered by squeezing a handle.

plural of dyno torch

(physics) Any of a series of electrodes within a photomultiplier tube.

plural of dynode

(biochemistry) Any of a class of opioid peptides that arise from the precursor protein prodynorphin

(electrical engineering) A dynamo which is also a starter motor.

plural of dynostarter

Produced or activated by dynorphins