水すい洗せん

す

い

せ

ん

Common wordJLPTN1Freq.FrequencyTop 50,000

水洗する · noun or participle which takes 'suru'

Meanings

washing with water; rinsing; flushing

General term for cleaning or rinsing something with water. Often used for toilets, parts, or surfaces.

〈物もの〉を水すい洗せんするto rinse/wash something with water
使し用よう後ごの部ぶ品ひんを水すい洗せんしてから乾かわかしてください。
Please rinse the parts with water after use, then let them dry.
水すい洗せんできるcan be washed with water (of an object or material)
このマスクは水すい洗せんできるので何なん度ども使つかえる。
This mask can be washed with water, so it can be used many times.

洗せん浄じょう
洗浄 is a broader term for washing or cleaning, often with chemicals or machines, while 水洗 specifically emphasizes rinsing or flushing with water alone.
水みず洗あらい
水洗い is the everyday, casual word for rinsing something (like vegetables or hands) in water, while 水洗 is a more formal, technical term used for systems like toilets or industrial rinsing.

推すい薦せんN3
推薦 (すいせん) means 'recommendation' and is a common source of listening confusion with 水洗 (すいせん), which means washing with water, despite having no meaning connection.
スイセン
水仙 (すいせん) is the flower 'narcissus,' a pure homophone of 水洗 (すいせん, washing with water) that learners can mix up by sound alone.

Compound of 水 (water) and 洗 (wash).