dustproof cylinder

  n.
   a cylinder designed to prevent foreign matter from entering either end of the keyway

Locksmith dictionary . 2014.

Look at other dictionaries:

  • computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …   Universalium

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