Did you know?

Click any word in a definition or example to find the entry for that word

addaword.gifdefinition of scram (noun)

noun
a fast shutdown of a nuclear reactor during an emergency, by quickly inserting control rods into the core. Supposedly derived during the infancy of nuclear reactors when Norman Hilbury was stationed with an axe to cut a rope holding the safety control rod during the experiment at the Chicago Pile on 2nd December 1942, when reactor critcality was first demonstrated.
The reactor scram automatically occurred due to high neutron flux.
Submitted by: LDUNLAP from United States on 24/05/2010 14:17:00
Definition of scram (noun) from the Open Dictionary – a public resource hosted by Macmillan English Dictionary Online

food rave

a very large party where people eat, sell or share many different types of food, usually held outside or in a large public building

BuzzWord Article

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog

Word of the Day

profit margin

the difference between how much money you get when you sell something and how much it costs you...