Systeme International d'Unites

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Definition
  1. Proper noun:
    • The International System of Units: "Système International d'Unités" is the full French name for the modern, coherent system of measurement units used globally in science, technology, and commerce. It is commonly abbreviated as SI.
Usage
  • The term "Système International d'Unités" is used as a formal, proper noun to refer to the international standard for measurements.
  • It is often abbreviated to SI or referred to as the metric system in everyday contexts, though the SI is the specific, modern form of it.
Examples
  • Proper noun:
    • All scientific data in the journal must be reported using Système International d'Unités.
    • The Système International d'Unités defines seven base units, including the meter and the kilogram.
Advanced Usage
  • "SI system": A common redundant phrasing meaning the same as "SI" or "Système International d'Unités".
    • The experiment's parameters were calibrated according to the SI system.
  • "SI units": Refers specifically to the individual units (like meter, second, ampere) that are part of the system.
    • Convert these measurements to SI units before analysis.
Variants and Related Words
  • SI (abbreviation): The standard abbreviation for Système International d'Unités.
    • The ampere is an SI base unit.
  • Metric system (noun): A broader term for decimal-based systems of measurement, of which the SI is the modern, international standard.
    • Most countries have adopted the metric system.
Synonyms
  • International System of Units: The direct English translation.
  • SI: The universal abbreviation.
Related Phrases
  • Base SI units: Refers to the seven fundamental units upon which the system is built.
    • The mole is one of the base SI units.
  • SI derived units: Refers to units derived from combinations of the base units (e.g., newton, pascal, joule).
    • The pascal is an SI derived unit for pressure.
Noun
  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)
    • Today the United States is the only country in the world not totally committed to the Systeme International d'Unites

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