ratio

UK: ˈreɪʃiəʊ | US: ˈreɪʃioʊ

Definition

  1. n. a relationship between two quantities, expressed as the quotient of one divided by the other

  2. n. the proportional relation between parts; rate

Structure
rat <calculate, reason>io <noun suffix>rat <calculate, reason>io <noun suffix>
Etymology

The word ratio originates from Latin ratio (calculation, reasoning), derived from ratus (reckoned) and the suffix -io. It originally referred to logical reasoning or mathematical computation, later narrowing to denote proportional relationships. The evolution reflects a shift from abstract reasoning to quantifiable comparison.

Examples

  1. The ratio of students to teachers is 20:1.

  2. Mix the flour and water in a 2:1 ratio.

  3. The study analyzed the gender ratio in STEM fields.

  4. A high debt-to-income ratio can affect loan eligibility.

  5. The golden ratio is often found in nature and art.