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Pronunciation varies by accent · adjective
(chemistry) Modified by the addition of seven atoms of chlorine.
Use heptachlorinated when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heptachlorinated means (chemistry) Modified by the addition of seven atoms of chlorine.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heptachlorinated where its definition matches the intended context.
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