BL Lacertae object

noun BL La·cer·tae object \-ləˈsərtē-, -tē-\
variants: less commonly

BL Lac object

\-ˈlak-\

Definition of BL Lacertae object

  1. :  a celestial object that is similar to a quasar in the intensity of its radiation and is recognizable by its radio emissions

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of bl lacertae object

BL Lacertae, original designation for the first such object to be discovered, from BL, designation for the 89th variable star in a constellation + New Latin Lacertae, genitive of Lacerta, a constellation


Seen and Heard

What made you want to look up BL Lacertae object? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to reach the highest or a decisive point

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!