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CEFR word level
What CEFR level is “base”?
Estimated level
A2
elementary
“base” is roughly the #984 most common English word, which puts it at an estimated A2 level.
Meaning
noun. A number raised to the power of an exponent.
Example: The logarithm to base 2 of 8 is 3.
Similar words: alkali.
How the level is decided
The level is an estimate based on word frequency: the more common a word is in everyday English, the lower its CEFR level. “base” sits in the A2 band. It is a quick guide for choosing what to study, not an official CEFR rating. Check any other word or a whole list with the word level checker.
Other A2 words to learn
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