QIMT Glossary

Definitions of Metrology terms & phrases.

If you know of a term or phrase that belongs here, you can submit the term or phrase and associated definition by adding an entry. NOTE: All entries are reviewed and approved prior to being seen by others on the site.

Procedure for adding a Definition:

  1. Click on the "Add a New Entry" button.
  2. Under the first required field labeled 'Concept', enter the Metrology word or term.
  3. In the 'Description' Field, put the definition, don't forget to use the "DeWord" button to remove MS Word formatting if you are copying and pasting from MS Word; see lounge forum for note regarding this issue.
  4. Ignore the other entries and submit.

You can browse using the alphabet, or find a definition by searching for any term, or by any text within the definition itself. Or click on ALL to see all the posted definitions.

You can also start discussions by 'commenting' on a definition.cool

Use the little icon in the corner of the quote to comment.

Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

Page: (Previous)   1  2  3  4  (Next)




Calibration and Measurement Capabilities


Czech Metrology Institute, the national metrological institute of the Czech Republic.

Compound standard

Set of similar material measures or measuring instruments that, through their combined use, constitutes a standard.

Conformity assessment

An activity that provides demonstration that specified requirements relating to a product, process, system, person or body are fulfilled, i.e. testing, inspection, certification of products, personnel and management systems.

Conventional true value (of a quantity)

Value attributed to a particular quantity and accepted, sometimes by convention, as having an uncertainty appropriate for a given purpose. Sometimes called “assigned value”, “best estimate of the value”, “conventional value”, or “reference value”.


Euro-Asian cooperation of national metrological institutions.

Correction factor

Factor by which the uncorrected measuring result is multiplied to compensate for a systematic error.

Correction value

Value which added algebraically to the uncorrected result of a measurement compensates for a systematic error.


See Reference material, certified.

Page: (Previous)   1  2  3  4  (Next)