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API donut. In DICTIOUS you will not only get to know all the dictionary meanings for the word
API donut, but we will also tell you about its etymology, its characteristics and you will know how to say
API donut in singular and plural. Everything you need to know about the word
API donut you have here. The definition of the word
API donut will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
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English
Etymology
From API + donut; from American Petroleum Institute, and its shape.
Noun
API donut (plural API donuts)
- (US, automotive) An information table found on cans of motor oil, conforming to U.S. standards, which indicates the weight (viscosity) and type of oil. The central circle provides the oil viscosity rating (ie. 10W50), while the upper annulus section provides the oil type (ie. SP).
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