rem

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remahem, Belém, Clem, condemn, contemn, crème de la crème, em, gem, hem, Jem, LibDem, phlegm, pro tem, rem, Shem, stem, them •carpe diem, per diem •proem • idem • modem • diadem •mayhem • Bethlehem • ad hominem •ad valorem • brainstem •apophthegm (US apothegm)

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rem / rem/ • n. (pl. same) a unit of effective absorbed dose of ionizing radiation in human tissue, equivalent to one roentgen of X-rays.

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REM • abbr. rapid eye movement.

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rem (rem) n. a former unit dose of ionizing radiation; it was replaced by the sievert.

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rem See radiation units.

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REM

Initialism for "rapid eye movement," a physical phenomenon during which the most active, visually rich, and bizarre dreaming occurs.

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rem (rɛm) roentgen equivalent man (former unit of radioactivity)