12 letters · 19 points in Scrabble
noun the branch of biology that studies the effects of radiation on living organisms
originEtymology tree English radio- Proto-Indo-European *gʷeyh₃-der. Ancient Greek βίος (bíos) Ancient Greek -λογῐ́ᾱ (-logĭ́ā)bor. New Latin -logia New Latin biologialbor. English biology English radiobiology From radio- + biology.
Etymology from Wiktionary, CC BY-SA 3.0