Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
octopus bite
octoroon
octose
octosyllable
octroi
octuple
ocul-
ocular
oculi
oculist
oculo-
oculogyric
oculomotor
oculomotor nerve
oculus
OD
Od
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

octane

oc·tane [ ók tàyn ] (plural oc·tanes)


noun 
Definition:
 
1. petroleum component: a liquid hydrocarbon found in petroleum that exists in 18 structurally different forms. C8H18

2. automotive 
Same as  octane number


[Late 19th century. <octo-; from the number of carbon atoms in the hydrocarbon]
Advertisement

© 2009 Microsoft