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beneficiation

/ˌbɛnɪfɪʃiːˈeɪʃən/
noun

選鉱せんこう

解説 Definition

鉱物の価値を高めるプロセス。精製。

Beneficiation is the process of improving raw ore or mineral material so that it is more useful or valuable. It is mainly used in mining and industry. This usually involves removing unwanted material and increasing the amount of the desired mineral.

覚え方のコツ Memory Tip

benefit「利益・役立ち」、beneficial「有益な」、beneficiary「受益者」を知っていれば、beneficiation は「役立つ度合い・価値を上げる工程」とつかめます。-tion は動作・過程を名詞化する語尾。鉱業では mineral/ore beneficiation の形で、不要物を除いて鉱石の品位を上げる前処理を指すことが多いです。smelting や refining のような製錬・精製そのものではなく、その前段で“使える鉱石に近づける”作業だと整理すると残ります。

Start from the family words `benefit`, `beneficial`, and `beneficiary`. They all carry the idea of making something more useful or valuable. Then add `-tion`, which often means a process, and you can remember it as a process of improving material before later treatment.

例文

Beneficiation improves ore quality.

選鉱は鉱石の品質を改善します。

The beneficiation plant processes minerals.

選鉱プラントは鉱物を処理します。

Beneficiation adds economic value.

選鉱は経済価値を加えます。

beneficiation の類義語・関連語

beneficiation の語源・成り立ち Etymology

beneficiation は beneficiate + -ion で、語源は後期ラテン語 beneficium「利益・恩恵」です。bene-「よく」+ facere 系なので、「鉱石を役立つ状態にする」と考えると腑に落ち、benefitbeneficiary も同根です。

Beneficiation was formed from beneficiate plus the noun ending -ion. Its deeper source is Late Latin beneficium, meaning "benefit" or "favor," from bene "well" and a root related to facere "to do, make." The idea developed into "making something more useful or valuable," especially in industry; benefit and beneficiary come from the same root.

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