アルカリ (arukari) means “alkali” | MotiTan Japanese Dictionary

More examples

強いアルカリを扱うときは、手袋を着けます。tsuyo i a ru ka ri o atsuka u to ki wa te bukuro o tsu ke ma su

When handling strong alkali, I wear gloves.

Means a substance that gives water basic properties and reacts with acids to reduce their acidity.

塩基enki: A substance that can neutralize an acid and produce a basic solution.

水溶液が塩基性を示し、酸を中和する物質。sui yō eki ga en ki sei o shime shi san o chū wa su ru bus shitsu

アルカリ (arukari) comes through Dutch alkali from Arabic al-qaly, meaning "ashes of saltwort," which were used to obtain alkaline substances.

In laboratory and chemistry writing, alkali identifies a class of bases that dissolve in water rather than every substance that merely has a high pH.