Synonyms for mm-hg

1. mm Hg (n.)

a unit of pressure equal to 0.001316 atmosphere; named after Torricelli

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2. mm (n.)

a metric unit of length equal to one thousandth of a meter

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3. Hg (n.)

a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures

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