cosmic microwave background radiation

NOUN
37 LETTERS · STARTS WITH C

cosmic microwave background radiation is a valid 37-letter word worth 61 points in Scrabble and 73 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1S1M3I1C3M3I1C3R1O1W4A1V4E1B3A1C3K5G2R1O1U1N1D2R1A1D2I1A1T1I1O1N1
3 + 1 + 1 + 3 + 1 + 3 + 0 + 3 + 1 + 3 + 1 + 1 + 4 + 1 + 4 + 1 + 0 + 3 + 1 + 3 + 5 + 2 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 =61 PTS
DOUBLE WORD → 122TRIPLE WORD → 183
MEANING

What does cosmic microwave background radiation mean?

NOUN · 1 SENSE
1

(cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin.