What is the Opposite(Antonym) of “alkaline”?

The Opposite(Antonym) of “alkaline”

The antonyms of alkaline are acidic and sour. These words describe opposite properties of substances, with alkaline referring to a basic or non-acidic substance, while acidic and sour refer to acidic substances.

Explore all Antonyms of “alkaline”

• acidic
• sour

Definitions and Examples of acidic, sour

Learn when and how to use these words with these examples!

acidic

Having a pH value of less than 7, indicating the presence of an acid.

Example

Lemons are known for their acidic taste due to the presence of citric acid.

sour

Having an acidic or sharp taste, often unpleasant.

Example

The milk had gone bad and had a sour taste.

Key Differences: acidic vs sour

• 1. Acidic refers to substances that have a pH value of less than 7, while sour refers to the taste of acidic substances.
• 2. Sour can also be used to describe the taste of other non-acidic substances like unripe fruits, while acidic is specific to substances that contain acids.

Effective Usage of acidic, sour

• 1. Science: Use these antonyms when discussing chemical properties of substances.
• 2. Cooking: Use alkaline and acidic when discussing ingredients and their effects on recipes.
• 3. Taste: Use sour to describe the taste of acidic foods and drinks.

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Remember this!

The antonyms acidic and sour describe the opposite properties of substances to alkaline, which refers to basic or non-acidic substances. While acidic refers to substances with a pH value of less than 7, sour describes the taste of acidic substances. Use these words in scientific discussions, cooking, and to describe the taste of acidic foods and drinks.