English Dictionary

nigre

名詞

In soapmaking, the lower layer of liquid produced by pitching, which contains most of the impurities.

日本語の意味

石鹸製造において、ピッチングの際に生成される下層液体であり、その液体は主に不純物を含んでいる。

After pouring off the clear soap, she carefully discarded the nigre that had settled at the bottom of the vat.

上澄みの透明な石鹸液を注ぎ取った後、彼女は槽の底に沈殿した不純物を含む下層の液を慎重に捨てた。

意味（1）

In soapmaking, the lower layer of liquid produced by pitching, which contains most of the impurities.

The conveyance of soap to the crutchers from the kettle may be by pump or by gravity. In the latter case, which is simpler and involves less trouble, the top level of the crutchers should be below that of the nigre.

nigres （ plural ）