Meaning & Definition of word "Acidity"

Acidity

/əˈsɪdəti/

noun:

  • 1. The quality of being acid, or having a low pH.
    • Example: The acidity of the solution can be measured using a pH meter.
  • 2. The level of acid in a substance, particularly in food or drink, which affects its taste.
    • Example: The acidity of the wine gives it a crisp and refreshing flavor.
  • 3. The condition of having an excess of acid in the stomach, often causing discomfort or indigestion.
    • Example: After eating the spicy meal, he experienced a sharp increase in acidity.
  • 4. In chemistry, the strength of an acid in terms of its ability to donate protons (H+ ions) to a base.
    • Example: The acidity of hydrochloric acid makes it useful for various industrial applications.

Etymology

Derived from Latin 'acidus', meaning 'sour', combined with the suffix '-ity'.

Common Phrases and Expressions

acidity test:

A procedure to measure the acid level in a substance.

high acidity:

Referring to a high level of acid, usually in a solution or environment.

acidity regulator:

Substances added to foods to control pH levels.

Related Words

acid:

A substance with a pH less than 7, capable of donating protons.

alkalinity:

The capacity of water to resist changes in pH, often opposite of acidity.

pH:

A scale used to specify the acidity or basicity of an aqueous solution.

Slang Meanings of acidity

Meaning: When something is too intense or extreme, often in flavor.

Example Sentence: This dish has some serious acidity; it hits your taste buds hard!

Meaning: Referring to a situation that feels overwhelming or sharp in nature.

Example Sentence: That news really has a lot of acidity; it's hard to swallow.