Share this entry

Share this page

substellar

Syllabification: sub·stel·lar
Pronunciation: /ˌsəbˈstelər
 
/

Definition of substellar in English:

adjective

Astronomy
Relating to or denoting a body much smaller than a typical star whose mass is not great enough to support main sequence hydrogen burning.
Example sentences
  • Whereas some folks consider brown dwarfs the duds of the galaxy, astronomers see beauty in these substellar embers.
  • The mass fraction under the form of substellar objects in the halo of the Galaxy is likely to represent only 5 to 15% of the total dynamic mass.
  • We have completed the most extensive survey to date for low mass stellar and substellar companions to white dwarfs in the solar neighborhood.

Definition of substellar in:

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 adverts and access premium resources

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