  # Exponent vs. Proponent: What's the Difference? ## Exponent and Proponent Definitions

#### Exponent

One that expounds or interprets.

#### Proponent

One who argues in support of something; an advocate.

#### Exponent

One that speaks for, represents, or advocates
Our senator is an exponent of free trade.

#### Proponent

One who supports something; an advocate

#### Exponent

Abbr. exp(Mathematics) A number or symbol, as 3 in (x + y)3, placed to the right of and above another number, symbol, or expression, denoting the power to which that number, symbol, or expression is to be raised. Also called power.

#### Proponent

One who makes a proposal or proposition.

#### Exponent

Expository; explanatory.

#### Proponent

(legal) One who propounds a will for probate.

#### Exponent

One who expounds, represents or advocates.

#### Proponent

Making proposals; proposing.

#### Exponent

(mathematics) The number by which a value (called the base) is said to be raised to a power in exponentiation: for example, the $3$ in $2^3=8$.

#### Proponent

Making proposals; proposing.

#### Exponent

The degree to which the root of a radicand is found, for example, the $2$ in $\sqrt\left[2\right]r=b$.

#### Proponent

One who makes a proposal, or lays down a proposition.

#### Exponent

(linguistics) A manifestation of a morphosyntactic property.

#### Proponent

The propounder of a thing.

#### Exponent

(computing) The part of a floating-point number that represents its exponent value.

#### Proponent

A person who pleads for a cause or propounds an idea

#### Exponent

A number, letter, or any quantity written on the right hand of and above another quantity, and denoting how many times the latter is repeated as a factor to produce the power indicated

#### Exponent

One who, or that which, stands as an index or representative; as, the leader of a party is the exponent of its principles.

#### Exponent

One who explains, expounds, or interprets.

#### Exponent

A person who pleads for a cause or propounds an idea

#### Exponent

Someone who expounds and interprets or explains

#### Exponent

A mathematical notation indicating the number of times a quantity is multiplied by itself