door chain
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Door chain — A door chain, security chain, or security door chain consists of a small chain attached to the door frame, which attaches to a track on the door for security purposes. It is a type of lock that is often used along with other types of locks to… … Wikipedia
door chain — noun : a chain serving as an inside lock for preventing a door from opening more than a few inches until one end is withdrawn from a slide fitting * * * a short chain with a removable slide fitting that can be attached between the inside of a… … Useful english dictionary
door chain — a short chain with a removable slide fitting that can be attached between the inside of a door and the doorjamb to prevent the door from being opened more than a few inches without the chain being removed. [1830 40] * * * … Universalium
Chain — For other uses, see: Chain (unit) or Chain (disambiguation). A broad metal chain made of torus shaped links … Wikipedia
door — noun ADJECTIVE ▪ open ▪ closed, shut ▪ locked, unlocked ▪ half open ▪ The door was half ope … Collocations dictionary
chain lock — chain lock, 1. a chain attached to a lock, used to fasten a bicycle: »To thwart them [thieves], careful cyclists favor three chain locks one locking each wheel to the frame, the third locking the frame to a stout signpost or tree (Time). 2. a… … Useful english dictionary
Chain migration — has multiple meanings. It refers to the social process by which immigrants from a particular town follow others from that town to a particular city or neighborhood, whether in an immigrant receiving country or in a new, usually urban, location in … Wikipedia
Chain Reaction (game show) — Chain Reaction Logo for the NBC version Format Game Show Created by Bob Stewart … Wikipedia
Door-to-balloon — is a time measurement in emergency cardiac care (ECC), specifically in the treatment of ST segment elevation myocardial infarction (or STEMI). The interval starts with the patient s arrival in the emergency department, and ends when a catheter… … Wikipedia
Chain shuttling polymerization — is a dual catalyst method for producing block copolymers with alternating or variable tacticity. The desired effect of this method is to generate hybrid polymers that bear the properties of both polymer chains, such as a high melting point… … Wikipedia
