Enter a clue or pattern or both:
The Clue
Zinc ___ (fertilizer ingredient) (7 letter answer)
The Answer
SULFATE
Tags
Notes
The answer SULFATE is so rare that it appears less than once every 2500 puzzles.
Definition
SULFATE as a noun:
1. (sulfate, sulphate) = a salt or ester of sulphuric acid
SULFATE as a verb:
1. convert into a sulfate