The most common and most likely answer to this crossword clue is the 4 letter word IONS which also is the latest solution we found used in New York Times in 1986.
Items studied by R A Millikan crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| IONS | 100 % | 4 | 
Words with a meaning similar to the clue: Items studied by R A Millikan
These words may or may not be a possible solution to this crosswords clue.- muller
 - author
 - lewis
 - mailer
 - nash
 - collection
 - general
 - look
 - review
 - reviewing
 - sample
 - agenda
 
Crossword Answer definitions
IONS noun- An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution