Entitic diameter - Dynamic NPU Manual

Entitic diameter


Entitic am.s.

Definition in words

Diameter of component B divided by number of component B

Alternative: Average diameter of component B

Definition by equation

Systematic terms

Entitic diameter of component B in system 1

Result type

Rational scale
  • Value sets are positive numerical values
  • Algebraic operations are allowed (a=nb; a≠nb)
Numerical values from 0-∞


µm, mm, m, etc.

Note: The correct unit is e.g. “µm/1” but “1” is omitted.


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


Clinical Chemistry

Generic abbreviated
NPU04060 B—Erythrocytes; entitic diameter = ? µm
Full result NPU04060 Blood—Erythrocytes; entitic diameter = 7.4 micrometer
Abbreviated result NPU04060 B—Erythrocytes; entitic diameter = 7.4 µm
Written expression The entitic diameter of erythrocytes in Mrs. Smith’s blood is [7.4] µm.

Alternative expression: The average diameter of erythrocytes in Mrs. Smith’s blood is [7.4] µm.


  • Kind-of-property

    • Nominal kind-of-property

    • Kind-of-quantity

      • Unitary kind-of-quantity

        • Rational unitary kind-of-quantity

          • Entitic diameter


  • Dybkaer R. Concept system on ‘quantity’: formation and terminology. Accredit Qual Assur. 2013;18(3):253-60.
  • Dybkaer R. ISO terminological analysis of the VIM3 concepts ‘quantity’ and ‘kind-of-quantity’. Metrologia. 2010;47(3):127-34.
Date Term Note
1996-01-01 Entitic diameter Term established