alkaline earth

al·ka·line earth

A a

Definitions of alkaline earth words

noun alkaline earth any of the divalent electropositive metals beryllium, magnesium, calcium, strontium, barium, and radium, belonging to group 2A of the periodic table 3
noun alkaline earth an oxide of one of the alkaline earth metals 3
noun alkaline earth any of the oxides of barium, radium, strontium, calcium, and, sometimes, magnesium. 1
noun alkaline earth (chemistry) Any oxide of the elements of group II of the periodic table; they are not as basic as the alkalis, and not so soluble in water. 0

before 1810

One of the 40% newest English words

First recorded in 1810-20

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adjective

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adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 5% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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