Si Abbreviation - Definition, Pictures, Pronunciation And Usage Notes

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Definition of SI abbreviation from the Oxford Advanced Learner's Dictionary

SI abbreviation  /ˌes ˈaɪ/  /ˌes ˈaɪ/ jump to other results

1. International System(a system of measurements based on the metric system with standard basic units; from French ‘Système International’)
   • SI units
   Topics Maths and measurementc2

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See SI in the Oxford Advanced American DictionaryCheck pronunciation: SI

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• Si

Nearby words

• shyness noun
• shyster noun
• SI abbreviation
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• Siamese twin noun

exceed verb From the Word list Oxford 5000 B2 Oxford Learner's Dictionaries Word of the Day