Salt of Nitric Acid
This page is the CodyCross answer for the clue below from Time for a check-up, Group 1717, Puzzle 1 (Samples and Cultures).
Question is: Salt of Nitric Acid
and the answer is: NITRATE
Word Meaning:
NITRATE — (chemistry) Any salt or ester of nitric acid.
Definitions from Wiktionary.