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From Arabic الجبر (al-jabr) “reunion”, “resetting of broken parts”, used in the title of al-Khwarizmi’s influential work علم الجبر والمقابلة (ilm al-jabr wa’l-muqābala), “the science of restoration and equating like with like”
Nounálgebra f. (plural álgebras)
The feminine noun álgebra is like other feminine nouns starting with a stressed a sound in that it takes the definite article el (normally reserved for masculine nouns) in the singular when there is no intervening adjective:
However, if an adjective intervenes between the article and the noun, the article reverts to la.
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