関: cm

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a metric unit of length equal to one hundredth of a meter (同)centimetre, cm

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センチメートル(1/100メートル;《略》cm.)
cgs単位制の

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/07/14 23:30:16」(JST)

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A centimetre (international spelling as used by the International Bureau of Weights and Measures; symbol cm) or centimeter (American spelling) is a unit of length in the metric system, equal to one hundredth of a metre, centi being the SI prefix for a factor of ¹⁄₁₀₀.^[1] The centimetre was the base unit of length in the now deprecated centimetre–gram–second (CGS) system of units.

Though for many physical quantities, SI prefixes for factors of 10³—like milli- and kilo-—are often preferred by technicians, the centimetre remains a practical unit of length for many everyday measurements. A centimetre is approximately the width of the fingernail of an average adult person.

Equivalence to other units of length

1 centimetre	= 10 millimetres
	= 0.01 metres
	= 0.393700787401574803149606299212598425196850 inches

One cubic centimetre is equal to 1 millilitre, under the current SI system of units.

Uses of centimetre

In addition to its use in the measurement of length, the centimetre is used:

sometimes, to report the level of rainfall as measured by a rain gauge ^[2]
in the CGS system, the centimetre is used to measure capacitance, where 1 cm of capacitance = 6988111300000000000♠1.113×10⁻¹² farads^[3]
in maps, centimetres are used to make conversions from map scale to real world scale (kilometres)
to represent second moment of areas (cm⁴)
as the inverse of the kayser, a CGS unit, and thus a non-SI metric unit of wavenumber: 1 kayser = 1 wave per centimetre; or, more generally, (wavenumber in kaysers) = 1/(wavelength in centimetres). The SI unit of wavenumber is the inverse metre, m⁻¹.

Unicode symbols

For the purposes of compatibility with Chinese, Japanese and Korean (CJK) characters, Unicode has symbols for:^[4]

centimetre (㎝) – code 339D
square centimetre (㎠) – code 33A0
cubic centimetre (㎤) – code 33A4

They are mostly used only with East Asian fixed-width CJK fonts, because they are equal in size to one Chinese character.

References

^ "Decimal multiples and submultiples of SI units". Bureau International des Poids et Mesures. 2014. Retrieved 5 July 2015.
^ Rain Measurement, Rain Gauge, Wireless Rain Gauge, Rain Gage, Rain Gauge Data
^ Capacitance - from Eric Weisstein's World of Physics
^ [1] CJK Compatibility excerpt from The Unicode Standard, Version 4.1.

CJK Compatibility excerpt from The Unicode Standard, Version 4.4 and co-exterior users.

UpToDate Contents

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English Journal

A-Differential Synthetic Aperture Radar Interferometry analysis of a Deep Seated Gravitational Slope Deformation occurring at Bisaccia (Italy).

Di Martire D1, Novellino A2, Ramondini M3, Calcaterra D4.
The Science of the total environment.Sci Total Environ.2016 Apr 15;550:556-73. doi: 10.1016/j.scitotenv.2016.01.102. Epub 2016 Feb 2.
This paper presents the results of an investigation on a Deep Seated Gravitational Slope Deformation (DSGSD), previously only hypothesized by some authors, affecting Bisaccia, a small town located in Campania region, Italy. The study was conducted through the integration of conventional methods (geo
PMID 26849321

The clinical anatomy of high take-off coronary arteries.

Loukas M1, Andall RG1, Khan AZ1, Patel K1, Muresian H2, Spicer DE3, Tubbs RS1,4.
Clinical anatomy (New York, N.Y.).Clin Anat.2016 Apr;29(3):408-19. doi: 10.1002/ca.22664. Epub 2015 Nov 18.
A number of criteria are used in the literature to describe high take-off coronary arteries, which can in part, explain the divide in the literature on the pathological significance of this anomaly. This study presents the anatomical variations of high take-off coronary arteries to draw attention to
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Biodegradation of vapor-phase toluene in unsaturated porous media: Column experiments.

Khan AM1, Wick LY2, Harms H1, Thullner M1.
Environmental pollution (Barking, Essex : 1987).Environ Pollut.2016 Apr;211:325-31. doi: 10.1016/j.envpol.2016.01.013. Epub 2016 Jan 15.
Biodegradation of organic chemicals in the vapor phase of soils and vertical flow filters has gained attention as promising approach to clean up volatile organic compounds (VOC). The drivers of VOC biodegradation in unsaturated systems however still remain poorly understood. Here, we analyzed the pr
PMID 26774779

Japanese Journal

準天頂衛星システムセンチメータ級測位補強サービスでの補強対象衛星の選択方式

宇宙科学技術連合講演会講演集 59, 5p, 2015-10-07
NAID 40020620910

準天頂衛星システム:センチメータ級測位補強サービスの開発状況 : インテグリティ設計

宇宙科学技術連合講演会講演集 59, 5p, 2015-10-07
NAID 40020620900

準天頂衛星システムセンチメータ級測位補強サービスの開発状況 : システム設計

宇宙科学技術連合講演会講演集 59, 5p, 2015-10-07
NAID 40020620884

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リンク元	「cm」「センチメータ」「センチメートル」

「cm」

Centimetre
	a carpenters' ruler with centimetre divisions
Unit information
Unit system	SI and CGS
Unit of	length
Symbol	cm
Unit conversions
1 cm in ...	... is equal to ...
SI	10 mm
imperial & US system	~0.3937 in