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限外濾過 (げんがいろか) Japanese meaning | Kotomora

限げん外がい濾ろ過か

げ

ん

が

い

ろ

か

Meanings

1

noun

ultrafiltration

chemistry

Technical term in chemistry and related fields for filtration that removes very fine particles or macromolecules using a semipermeable membrane.

限げん外がい濾ろ過かは、タンパク質しつの分ぶん離りに用もちいられる。
Ultrafiltration is used for separating proteins.
この装

そう

置ち

は

限げん

外がい

濾ろ

過か

に

よっ

て

水みず

を

浄じょう

化か

する

。

This device purifies water by ultrafiltration.

Written forms

限げん外がい濾ろ過か
Standard kanji spelling for the technical term 'ultrafiltration'.
限げん外がいろ過か
Simplified variant using ろ for the less common 濾 kanji; often seen in technical contexts.

Kanji

限limit, restrict, to best of ability
外outside
濾filter
過overdo, exceed, go beyond

Similar words

濾ろ過か
濾過 is general filtration; 限外濾過 specifically refers to ultrafiltration, which uses a finer membrane to separate smaller particles.
精せい密みつ濾ろ過か
精密濾過 (microfiltration) removes larger particles than 限外濾過; ultrafiltration targets smaller solutes like proteins.

Etymology

Compound of 限外 (beyond the limit) and 濾過 (filtration), calqued from English 'ultrafiltration'.