19th Century Physicist; Weather Radar
This page is the CodyCross answer for the clue below from World of Books, Group 291, Puzzle 5 (Dictionaries).
Question is: 19th Century Physicist; Weather Radar
and the answer is: DOPPLER
Word Meaning:
DOPPLER — (medicine, by ellipsis, informal) Ellipsis of Doppler ultrasonography: Any of various types of ultrasonography that use the Doppler effect; especially, medical versions thereof.
Definitions from Wiktionary.