nm. millimetre, metric unit of length equal to one thousandth of a meter

n. millimeter, metric unit of length equal to one thousandth of a meter

(n.) = millimeter (mm) [millimetre, -USA].
Ex: The height is used to specify the height of the bound volume in millimeters.
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* ceder un milímetro = cede + a millimeter.
* milímetro cuadrado = millimeter square.
* película de 16 milímetros = 16mm film.