Is “Backscatter” a Scrabble word?
Yes
BACKSCATTER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Backscatter
noun
1.The deflection of particles and/or radiation through angles greater than 90 degrees to the original direction of travel.
2.The particles and/or radiation deflected in this manner.
3.A portion of the energy of electromagnetic radiation such as a laser or radio waves that is scattered back in the direction of the source of radiation by an obscurant.
verb
1.To scatter particles and/or radiation back to the direction from which they come.