Alkali Word Meaning

Etymology:

late Middle English (denoting a saline substance derived from the ashes of various plants, including glasswort): from medieval Latin, from Arabic al-qalī ‘calcined ashes (of the glasswort etc.)’, from qalā ‘fry, roast’

Audio Pronunciation:

Definition:

a compound with particular chemical properties including turning litmus blue and neutralizing or effervescing with acids; typically, a caustic or corrosive substance of this kind such as lime or soda

Short Definition:

compound with particular chemical properties including turning litmus blue

Examples:

• flint is not subject to chemical weathering except by strong alkalis
• the reaction is followed by measuring the concentration of alkali at various times