British biochemist (born in Germany) who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1906-1979)
a series of hills or mountains
a series of things depending on each other as if linked together
(chemistry) a series of linked atoms (generally in an organic molecule)
a unit of length
(business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership
a series of (usually metal) rings or links fitted into one another to make a flexible ligament
a necklace made by stringing objects together
anything that acts as a restraint
a linked or connected series of objects
fasten or secure with chains
connect or arrange into a chain by linking
A series of links or rings, usually of metal, connected, or fitted into one another, used for various purposes, as of support, of restraint, of ornament, of the exertion and transmission of mechanical power, etc.
That which confines, fetters, or secures, as a chain; a bond; as, the chains of habit.
A series of things linked together; or a series of things connected and following each other in succession; as, a chain of mountains; a chain of events or ideas.
An instrument which consists of links and is used in measuring land.
Iron links bolted to the side of a vessel to bold the dead-eyes connected with the shrouds; also, the channels.
The warp threads of a web.
To fasten, bind, or connect with a chain; to fasten or bind securely, as with a chain; as, to chain a bulldog.
To keep in slavery; to enslave.
To unite closely and strongly.
To measure with the chain.
To protect by drawing a chain across, as a harbor.