particulate radiation

NOUN
21 LETTERS · STARTS WITH P

particulate radiation is a valid 21-letter word worth 25 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3A1R1T1I1C3U1L1A1T1E1R1A1D2I1A1T1I1O1N1
3 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does particulate radiation mean?

NOUN · 1 SENSE
1

A stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons).