1. A salifiable base, having an acrid taste and the power of changing blue vegetable colours to green, such as potash, soda, and ammonia.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• algai,
• akali,
• alvoli,
• alala,
• alkylin,
• alfala,
• alkal,
• alkalia,
• allalia,
• allali,
• allkali,
• alkaly,
• allalic,
• alcalic,
• alkalie,
• walaapi,
• alcald,
• Alkalde,
• antlkali,
• Awkli

• alkaluria,
• alkalize,
• alkalise,
• alkalotic,
• alkaliser,
• alkaloid,
• algol,
• alkalify,
• alkalosis,
• alkaline,
• alcala,
• alkalemia,
• alkyl,
• algal,
• alkalizer,
• alkalic,
• alkylic.

The adjective form of the word "alkali" is "alkaline".