Definition of Roche lobe in English:

Roche lobe

Syllabification: Roche lobe

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).

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day guzzle
Pronunciation: ˈgəzəl
verb
eat or drink (something) greedily