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Pronunciation varies by accent · noun
(organic chemistry) A highly chlorinated cyclic hydrocarbon (C₅Cl₆) used chiefly as a chemical intermediate in the manufacture of pesticides and resins; a toxic, reactive compound that can irritate the eyes, skin, and respiratory system upon exposure..
Use hexachlorocyclopentadiene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Hexachlorocyclopentadiene means (organic chemistry) A highly chlorinated cyclic hydrocarbon (C₅Cl₆) used chiefly as a chemical intermediate in the manufacture of pesticides and resins; a toxic, reactive compound that can irritate the eyes, skin, and respiratory system upon exposure..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use hexachlorocyclopentadiene where its definition matches the intended context.
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