micro-

(word root) smallExamples of words with the root micro-: microscope

micro-

or micr-pref.1. a. Small: microcircuit.b. Abnormally small: microcephaly.c. Requiring or involving microscopy: microsurgery.2. One millionth (10^-6): microampere.

[Greek mīkro-, from mīkros, small.]

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micr-

combining form1. small or minute: microspore. 2. (Biology) involving the use of a microscope: micrography. 3. (Tools) indicating a method or instrument for dealing with small quantities: micrometer. 4. (Biology) indicating a method or instrument for dealing with small quantities: micrometer. 5. (Pathology) (in pathology) indicating abnormal smallness or underdevelopment: microcephaly; microcyte. Compare macro-²6. (Units) denoting 10^–6: microsecond. Symbol: μ [from Greek mikros small]

mi•cro

(ˈmaɪ kroʊ)

adj., n., pl. -cros. adj. 1. extremely small. 2. minute in scope or capability. n. 3. microcomputer. [1965–70 micro-]

micro-

a combining form with the meanings “small” (microgamete), “small in comparison with others of its kind” (microcapsule), “too small to be seen by the unaided eye” (microorganism), “dealing with minute organisms, structures, or quantities” (microanalysis), “localized, restricted in scope or area” (microhabitat), “(of a discipline) focusing on a restricted area” (microeconomics), “containing or dealing with texts that require enlargement to be read” (microfilm), “one millionth” (microgram). Also, esp. before a vowel,micr-.[< Greek: from mīkrós small]

micro-

1. A prefix that means:2. Small, as in microorganism, a very small organism.3. One millionth, as in microgram, one millionth of a gram.

micro-

A prefix meaning one millionth; e.g., a microliter is a unit of volume equal to one millionth of a liter.

Translations

micro-

(maikrəu) 1. very small. micro computer; microprint; micro-organism.表示“小的”和“微小的”2. one millionth part. microvolt (= one millionth of a volt).百万分之一

micro-

, micr- (mī'krō), 1. Prefixes denoting smallness. 2. Prefix used in the SI and the metric system to signify submultiples of one-millionth (10^-6) of such unit. 3. chemistry prefix to terms denoting procedures that utilize minimal quantities of the substance to be examined; for example, a drop or two in place of 1 or more mL. 4. Combining forms meaning microscopic; opposite of macro-, megalo-. [G. mikros, small]

micro-

prefix Latin for small, as in microscopic.

micro-

, micr-1. Prefixes denoting smallness. 2. Prefixes (abbrev. mc) used in the SI and metric system to signify one millionth (10^-6) of a given unit. 3. chemistry Prefix to terms denoting chemical procedures or analyses that use minimal quantities of substance to be examined; specimen materials and reagents. 4. Combining form meaning microscopic; opposite of macro-,megalo-[G. mikros, small]

micro-

Combining form denoting very small, abnormally small or pertaining to microscopy.

micro-

prefix denoting small. In the metric system of measurement ‘micro’ means ‘one millionth’ with a symbol, as in μm (1×10^-6m). see SI UNITS.

micro-

1. Prefixes denoting smallness.2. μ It is recommended that, in handwritten material and in computer work, names of units formed with this prefix be written in full, because both human beings and computers may misread the Greek letter μ as the Roman letter m. Alternatively the abbreviation mc may be substituted for μ thus, mcg, mcL, mcm, mcmol instead of μg, μL, μm, μmol. The Roman letter u is not in any circumstances a suitable substitute for μ. Prefix used in the SI and the metric system to signify submultiples of one-millionth (10^-6) of such unit.3. chemistry prefix to terms denoting procedures that utilize minimal quantities of the substance to be examined; e.g., a drop or two in place of 1 or more mL.4. Combining forms meaning microscopic.[G. mikros, small]

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