ろ過 器(かき)

ろかき

noun

filter; filtration device

1. filter; filtration device; strainer apparatus

A device that removes solids or impurities from a liquid or gas by passing it through a filtering medium. Used in chemistry labs, water treatment, and industrial processes.

ろ過器(かき)で水(みず)をきれいにする。

We purify the water with a filter.

実験(じっけん)用(よう)のろ過器(かき)を洗(あら)った。

I washed the laboratory filter.

古(ふる)くなったろ過器(かき)は交換(こうかん)しないと、ろ過(か)の性能(せいのう)が落(お)ちる。

If you don't replace an old filter, its filtration performance drops.

Compound of ろ過(か) (filtration) + 器(き) (apparatus, device). The first part is usually written in mixed kana-kanji because the kanji 濾(ろ) is outside the 常用漢字(じょうようかんじ) list.

Common collocations

ろ過器(かき)を使(つか)う: to use a filter
ろ過器(かき)を交換(こうかん)する: to replace the filter
実験(じっけん)用(よう)のろ過器(かき): laboratory filter

Similar words

フィルター: filter — the everyday loanword, used for household filters (coffee, air, water)
ろ過(か)装置(そうち): filtration system — a larger system, often industrial
浄水器(じょうすいき): water purifier — specifically for drinking water

Related Words

Compare: フィルター (filter)

Compare: 浄水器(じょうすいき) (water purifier)

general

Added 2026.5.13 8:53 · Revised 2026.9.2 13:02

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