Mass
Definition in words |
The coefficient of proportionality between the force applied to a body and its acceleration Note: Mass is a base SI quantity |
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Definition by equation |
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Systematic terms
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Mass of component B in system 1 | ||
Result type |
Rational scale |
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Numerical values from 0-∞ |
Unit |
kg, g, mg, etc. Note 1: kg is the coherent base unit to mass Note 2: kg is always the denominator unit in unit equation, e.g. mol/kg |
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Non-recommended term |
Weight | ||
Reference |
Ferard G, Dybkaer R, Fuentes-Arderiu X. Compendium of Terminology and Nomenclature of Properties in Clinical Laboratory Sciences : Recommendations 2016. 1 ed: Royal Society of Chemistry; 2016. 182 p. |
Laboratory field |
Examples |
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Clinical Chemistry |
Example 1
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Generic abbreviated |
NPU03804 Pt—Body; mass = ? kg | |
Full result | PU03804 Patient—Body; mass = 57 kilogram | |
Abbreviated result | PU03804 Pt—Body; mass = 67 kg | |
Written expression | The mass of Mrs. Smith’s body is [67] kg. | |
Equation | ||
Example 2 | ||
Generic abbreviated |
NPU03803 Pt—Liver; mass = ? kg | |
Full result | NPU03803 Patient—Liver; mass = 2 kilogram | |
Abbreviated result | NPU03803 Pt—Liver; mass = 2 kg | |
Written expression | The mass of Mr. Smith’s liver is [2] kg. | |
Equation | ||
Reference |
NPU database, https://www.ifcc.org/ifcc-scientific-division/sd-committees/c-npu/npusearch/ and http://www.labterm.dk/default.aspx |
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Kind-of-property
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Nominal kind-of-property
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Kind-of-quantity
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Unitary kind-of-quantity
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Rational unitary kind-of-quantity
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Reference |
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Date | Term | Note |
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1996-01-01 | Mass | Term established |
NPU term identifier |
QU50020 |