多た酸さん塩えん基き

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Meanings

1

noun

polyacidic base

Chemistry term for a base capable of accepting multiple protons or reacting with multiple acid equivalents.

多many, frequent, much

酸acid, bitterness, sour

塩salt

基fundamentals, radical (chem), counter for machines

多た価か塩えん基き
多価塩基 is a more common term for a polyvalent base; 多酸塩基 is a less frequent synonym emphasizing the acid aspect.
一いっ酸さん塩えん基き
一酸塩基 (monoacidic base) is the counterpart that reacts with only one acid equivalent.

Compound of 多 (many), 酸 (acid), and 塩基 (base). The exact historical derivation is uncertain; the term is a technical calque from Western chemistry.