Alkali Measure is a term used to describe the measurement of alkalinity or acidity in a solution. The term is composed of four words: BASE (4 letters), LITHIUM (7 letters), LITMUS (6 letters), and LYE (3 letters). BASE refers to a substance that can neutralize an ACID, while LITHIUM is a metal element that is often used in batteries. LITMUS is a type of dye that changes color when exposed to an ACID or BASE, and LYE is a strong alkaline solution. ACID (4 letters) is the opposite of a BASE, and is a substance that can neutralize a BASE.