corollary

American  

[kawr-uh-ler-ee, kor-, kuh-rol-uh-ree] / ˈkɔr əˌlɛr i, ˈkɒr-, kəˈrɒl ə ri /

noun

plural

corollaries

1. Mathematics. a proposition that is incidentally proved in proving another proposition.

2. an immediate consequence or easily drawn conclusion.

3. a natural consequence or result.

---

corollary British  

/ kəˈrɒlərɪ /

noun

1. a proposition that follows directly from the proof of another proposition

2. an obvious deduction

3. a natural consequence or result

---

adjective

1. consequent or resultant

corollary Scientific  

/ kôr′ə-lĕr′ē /

1. A statement that follows with little or no proof required from an already proven statement. For example, it is a theorem in geometry that the angles opposite two congruent sides of a triangle are also congruent. A corollary to that statement is that an equilateral triangle is also equiangular.

---

Etymology

Origin of corollary

1325–75; Middle English < Late Latin corollārium corollary, in Latin: money paid for a garland, a gift, gratuity. See corolla, -ary

Example Sentences

A corollary concern is that grade inflation and other factors appear to be weakening the validity of this measure statewide.

From Los Angeles Times

The old maxim “Buy low, sell high” has a cash-flow corollary: “Collect early, pay late.”

From The Wall Street Journal

I’ve found a corollary—sadness plus exhaustion equals laughter—often holds true, and you don’t have to wait long.

From The Wall Street Journal

The increasing opacity of these financing structures has led to a corollary collapse in collateral verification.

From The Wall Street Journal

For most school officials up and down the state, a necessary corollary to that right is safeguarding students’ guardians and close relatives.

From Los Angeles Times

Related Words

• analogy
• upshot