Enter a clue or pattern or both:
The Clue
Anesthetic gas (6 letter answer)
The Answer
ETHENE
Tags
Notes
The answer ETHENE is rarely seen, appearing only about once every 1500 puzzles.
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Gas used as an anesthetic
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Product resulting from cracking petroleum
Definition
ETHENE as a noun:
1. (ethylene, ethene) = a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic