backscatter
Word Rarity
Very rare
Frequency: Zipf frequency 2.11 in modern English
21
Scrabble Score
11
Letters
2
Syllables
8
Unique Chars
Meaning
noun
The deflection of particles or radiation through angles greater than 90 degrees to the original direction of travel.
Countable; Uncountable
noun
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.
Countable; Uncountable
Etymology
Back-formation from backscattering.
Usage
Subject
Wiktionary places this term in Astronomy.