【化】 interstitial velocity
crack; crevice; gap; interval; opportunity; rift
【化】 opening
【医】 gap; space; spatia; spatium; split
among; between; separate; sow discord; space
【化】 meta-
【医】 dia-; inter-; meta-
career; pace; quickness; rapidity; rate; speed; velocity
【化】 velocity
【医】 rate; speed; velocity