n. 管口, 喷嘴

[化] 喷口

[医] 嘴, 喷嘴, 吹口

Nozzle \Noz"zle\, n. [A dim. of nose. [root]261.] [Written also
{nosle}.]
1. The nose; the snout; hence, the projecting vent of
anything; as, the nozzle of a bellows.

2. Specifically:
(a) A short tube, usually tapering, forming the vent of a
hose or pipe.
(b) A short outlet, or inlet, pipe projecting from the end
or side of a hollow vessel, as a steam-engine cylinder
or a steam boiler.