This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A device for measuring very small distances, objects, or angles, especially one based on the rotation of a finely threaded screw, as in relation to a microscope.

n. A unit of length equal to one thousandth (10-3) of a millimeter or one millionth (10-6)of a meter.

n. An SI/MKS unit of measure, the length of one one-millionth of a meter. Symbols: µm, um, rm

n. A device used to measure distance very precisely but within a limited range, especially depth, thickness, and diameter.

n. An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of objects which subtend minute angles. The measurement given directly is that of the image of the object formed at the focus of the object glass.

n. An instrument for measuring microscopic lengths and angles.

n. a metric unit of length equal to one millionth of a meter

n. caliper for measuring small distances

"In 2001 Japanese scientists made a tiny sculpture of a bull that measured 10 micrometers by seven (a micrometer is one-thousandth of a millimeter)."

ring micrometer    bifilar micrometer    micrometer gauge    linear micrometer   

metric linear unit    caliper    calliper   

double-image micrometer    dioptric micrometer    micrometer-balance    ocular micrometer    square-bar micrometer    mother-of-pearl micrometer    circular micrometer    micrometer caliper    repsold's transiting    ring-micrometer   

accelerometer    anemometer    densitometer    dynamometer    fluorometer    goniometer    hydrometer    hygrometer    interferometer    kilometer   

vernier    caliper    windage    headspace    gage    innage    actuator    skinfold    azimuth    dipstick