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n. pl. me·trol·o·gies
1. The science that deals with measurement.
2. A system of measurement.

[French métrologie, from Greek metrologiā, theory of ratios : metron, measure; see mē- in Indo-European roots + -logiā, -logy.]

met′ro·log′i·cal (mĕt′rə-lŏj′ĭ-kəl) adj.
met′ro·log′i·cal·ly adv.
me·trol′o·gist n.


n, pl -gies
1. (Units) the science of weights and measures; the study of units of measurement
2. (Units) a particular system of units
[C19: from Greek metron measure]
metrological adj
ˌmetroˈlogically adv
meˈtrologist n


(mɪˈtrɒl ə dʒi)

the science of weights and measures.
met•ro•log•i•cal (ˌmɛ trəˈlɒdʒ ɪ kəl) adj.
met`ro•log′i•cal•ly, adv.
me•trol′o•gist, n.


the study and science of measures and weights. — metrologist, n. — metrological, adj.
See also: Measurement


The study or science of weights and measures.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.metrology - the scientific study of measurementmetrology - the scientific study of measurement
science, scientific discipline - a particular branch of scientific knowledge; "the science of genetics"


The act or process of ascertaining dimensions, quantity, or capacity:
References in periodicals archive ?
631/13 / R / Gas and Technical Information Sheet UNI 11291-3 and metrologically approved for use in Italy in accordance with current law;b) Supply of accessory material;c) The training, installation and commissioning of the meters, the staff of the customer, to be carried out at the premises of the same to be held in most n.
One step toward achieving this goal is using assays that are metrologically traceable to a higher-order reference measurement system or harmonized by use of internationally recognized procedures (1, 2).
As a national measurement institute that establishes and maintains measurement standards which are at the highest level of accuracy and recognised internationally, NMC provides scientific metrology services to ensure that the measurement instruments and devices used by industry players are metrologically traceable to the SI units.
We propose an approach for determining a combined result which is metrologically compatible with the contributing results.
35 and with ISO Guide 30, a CRM is characterized by a metrologically valid procedure for one or more specified properties, accompanied by a certificate that provides the value of the specified property, its associated uncertainty and a statement of metrological trace ability.
The accuracy error of the nanometric mechatornic systems in the endowments of the laboratory was determined metrologically in the following value matrix:
The traceability to ITS-90 of the thermocouples to be calibrated is often possible only by time-consuming and metrologically complex comparison measurements against radiation thermometers in furnaces, specially developed for this purpose.
To meet current and future requirements - both metrologically (MID 2004/22 / EC) as well as technically - to cater to heat quantity measurement, a static measurement principle as well as the request to the communication interface (s) is specified, the counter.
It is important to note that the noncommutability of SRM 2921 is metrologically acceptable, and traceability to it is appropriate if one considers the intended use of SRM 2921, which is primarily for calibrating a secondary reference measurement procedure, not for directly assigning values to the working calibrators for the field assays.
Two or more results of measurement are metrologically comparable only if they are traceable to the same reference [3, definition 2.
Maximum error of intelligent mechatronic equipment presented was metrologically determined in the following value matrix: