SI
9
3.7
- noun
- /ɛs aɪ/
- Specialized
:
SI
- The scientist explained that the SI is used to standardize measurements across different countries.
Examples
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Supplemental instruction (SI) and the learning community are variants of the linked-courses model.
Academic text (2008) -
Our analysis suggests that SI attendance in freshman-level courses has a statistically significant influence on graduation success.
Academic text (2008) -
And we sum up the value for the contribution to SI over all the jobs.
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The goals of the SI program are not all short-term in nature.
Academic text (2008) -
The data in Table 1 suggest that students who attend SI are more likely to graduate in a timely manner.
Academic text (2008) -
The following section discusses the SI program and the literature concerning its effectiveness.
Academic text (2008) -
Supplemental Instruction (SI) is a national program designed to aid college student learning.
Academic text (2008) -
Many laboratories worldwide rely on the SI to ensure accurate and consistent measurements.
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To convert pounds to kilograms, you can use the SI unit for mass.
Synonyms
8
2.6
A system of measurement using meters, kilograms, and seconds
1
3.9
A standard set of units like metre and kilogram that people use worldwide to measure
A modern system of measurement used worldwide that defines units like the meter and kilogram
An international metric system of measurement used in science and engineering, with units like the metre and kilogram
An international system of units used in science like the meter and kilogram
A standard metric system for measuring things used worldwide in science and industry
Compounds
Surface Forms
Etymology
SI comes from the French phrase Système international d'unités, which means 'international system of units'. Think of SI as the worldwide 'system' for basic measures like the meter, kilogram and second, which is why scientists and engineers use it everywhere.