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petrograph

[ pe-truh-graf, -grahf ]
/ ˈpɛ trəˌgræf, -ˌgrɑf /
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noun
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of petrograph

First recorded in 1805–15; petro-1 + -graph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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