Share this entry

Share this page

Roche lobe

Syllabification: Roche lobe

Definition of Roche lobe in English:

noun

Astronomy
Either of two lobes that form an hourglass-shaped volume of space around a binary star system.

Origin

1960s: named after E. A. Roche (see Roche limit).

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day tenebrous
Pronunciation: ˈtenəbrəs
adjective
dark; shadowy or obscure