|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|a fool or simpleton; ninny.|
|1.||any of various instruments or devices for the accurate measurement of distances or angles|
|2.||micrometer gauge, Also called: micrometer calliper a type of gauge for the accurate measurement of small distances, thicknesses, diameters, etc. The gap between its measuring faces is adjusted by a fine screw, the rotation of the screw giving a sensitive measure of the distance moved by the face|
micrometer mi·crom·e·ter1 (mī-krŏm'ĭ-tər)
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.
micrometer mi·cro·me·ter2 (mī'krō-mē'tər)
Abbr. μm A unit of length equal to one thousandth (10-3) of a millimeter or one millionth (10-6) of a meter. Also called micron.
|micrometer 1 (mī-krŏm'ĭ-tər) Pronunciation Key
A device for measuring very small distances, angles, or objects, especially one based on the rotation of a finely threaded screw, as in relation to a microscope.