noun
a substance or agent used for cauterizing tissue to stop bleeding or destroy abnormal tissue
adjective
describing a substance or agent used for cauterizing tissue
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The surgeon used a cauterant to stop the bleeding during the operation.
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I heard they had to use some kind of cauterant to seal the wound.
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The cauterant they used was like magic, it stopped the bleeding instantly.
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Her words were like a cauterant, burning through his defenses and leaving him vulnerable.