micrometre


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mi·cro·me·ter

(mcm) (mīkrō-mētĕr, mī-kromĕ-tĕr)
1. One millionth of a meter; formerly called micron.
2. A device for measuring various objects in an accurate and precise manner. In medicine and biology, the term is usually used with reference to a glass slide or lens that is accurately marked for measuring microscopic forms.
Synonym(s): micrometre.
[micro- + G. metron, measure]

micrometre

(μm) or micron a unit of length equal to 10-6 metre (1/1000 mm).

micrometre

An SI unit of length equal to one millionth of a metre (10−6 m). Symbol: μm. Syn. micron (obsolete term). See nanometre.

mi·cro·me·ter

(mcm) (mīkrō-mētĕr, mī-kromĕ-tĕr)
1. One millionth of a meter; formerly called a micron.
2. A device for measuring various objects in an accurate and precise manner.
3. In medicine and biology, the term is usually used with reference to a glass slide or lens that is accurately marked for measuring microscopic forms.
Synonym(s): micrometre.
[micro- + G. metron, measure]