SI SYSTEM

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does SI system mean? 

• SI SYSTEM (noun)
  The noun SI SYSTEM has 1 sense:

1. a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela)

  Familiarity information: SI SYSTEM used as a noun is very rare.

 Dictionary entry details 

• SI SYSTEM (noun)

Sense 1

Meaning:

A complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela)

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

International System; International System of Units; SI; SI system; SI unit; Systeme International; Systeme International d'Unites

Context example:

Today the United States is the only country in the world not totally committed to the Systeme International d'Unites

Hypernyms ("SI system" is a kind of...):

metric system (a decimal system of weights and measures based on the meter and the kilogram and the second)

 Context examples 

Elementary charge has a value of 1.602 176 487x10E-19 C in the SI system.

(Elementary Charge, NCI Thesaurus)

A unit of diffusion coefficient in SI system.

(Meter Squared per Second, NCI Thesaurus)

The usage of this unit is discouraged in favor of the katal by International Federation of Clinical Chemistry and Laboratory Medicine due to lack of its coherence with the SI system.

(Enzyme Unit, NCI Thesaurus)

A unit of electrical, mechanical, and thermal energy (as well as work and quantity of heat) in the SI system, equal to the work done when the point of application of a force of one newton is displaced through a distance of one meter in the direction of the force or the work done when a current of one ampere passes through a resistance of one ohm for one second.

(Joule, NCI Thesaurus)