1.
chlorine
A chemical element (Cl) that is a yellowish-green toxic gas with a strong smell. In everyday Japanese, most commonly encountered in the context of water purification (tap water, swimming pools) and cleaning products.
プールの塩素の匂いがする。
I can smell the chlorine from the pool.
水道水は塩素で消毒されている。
Tap water is disinfected with chlorine.
塩素系の漂白剤を使うときは、換気を十分に行ってください。
When using chlorine-based bleach, please ensure adequate ventilation.
USAGE:
In everyday life, 塩素 is most commonly discussed in the context of tap water treatment and swimming pool maintenance. The kanji 塩 (salt) reflects that chlorine was historically obtained from salt (塩).
COMMON COLLOCATIONS:
- 塩素消毒: chlorine disinfection
- 塩素系: chlorine-based
- 塩素濃度: chlorine concentration
- 残留塩素: residual chlorine