Parole in inglese che iniziano per À e finiscono per S casuale

1. 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.

   flint is not subject to chemical weathering except by strong alkalis

   the reaction is followed by measuring the concentration of alkali at various times

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’.