alkali
Translation
alkali
Examples
Sodium hydroxide is a strong alkali.
Sodium hydroxide is a strong alkali.
The soil has a high alkali content.
The soil has a high alkali content.
Grammar Patterns
an alkali a chemical substance with a pH greater than 7 Sodium hydroxide is a strong alkali.
Similar Words
Synonyms: base; Antonyms: acid
Etymology
From Arabic 'al-qilī', meaning 'the ashes', as alkalis were first derived from plant ashes.
Memory Tips
Remember from chemistry class: the opposite of an acid is an alkali. Also think of alkaline batteries.