Fluidrachm

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Fluidrachm

Fluidram

a measure of capacity: 1/8 of a fluidounce; a teaspoonful. The imperial fluidrachm contains 54.8 grains of distilled water, and equals 3.55 ml; the U.S. Fluidrachm contains 57.1 grains of distilled water and equals 3.70 ml.