Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
projector
projet
prokaryon
prokaryote
prolabor
prolactin
prolamine
prolapse
prolate
prole
proleg
prolegomenon
prolepsis
proletarian
proletariat
proliferate
proliferous
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

prolong

pro·long [ prə láwng ] (past and past participle pro·longed, present participle pro·long·ing, 3rd person present singular pro·longs)


transitive verb 
Definition:
 
make something last longer: to make something go on longer

[15th century. Directly or via French prolonger< late Latin prolongare "lengthen out" < Latin longus "long"]

pro·lon·ga·tion [ pr lawng gáysh'n ] noun
pro·long·er [ prə láwngər ] noun
Advertisement

© 2009 Microsoft