Home/USA Today Rootonym/A greenish-blue coating that forms on brass, copper or bronze after long-time exposure to air (noun)
A greenish-blue coating that forms on brass, copper or bronze after long-time exposure to air (noun)
Looking for the answer to the USA Today Rootonym clue “A greenish-blue coating that forms on brass, copper or bronze after long-time exposure to air (noun)”? The solution is VERDIGRIS, a 9-letter word built on the root VERD (“green”). It appeared in the September 12, 2026 (Saturday) USA Today Rootonym. See the full puzzle for that day's other words.
Answer
VERDIGRIS
VERD*****VERDmeans “green”
In a sentence
Anna prefers the patina and finish of VERDIGRIS over wood on patio furniture.
About this clue
The Rootonym clue “A greenish-blue coating that forms on brass, copper or bronze after long-time exposure to air (noun)” has the answer VERDIGRIS (9 letters), built on the root VERD, which means “green”. Browse the full September 12, 2026 Rootonym puzzle for the other three words, or see all Rootonym answers.