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Math Words That Start With D (186 Terms + Definitions)

There are 186 math words that start with D in the Mathwords dictionary — from Bernoulli Differential Equation to Variation of Parameters. The full list is below; the most looked-up D terms are at the end of the page.

Bernoulli Differential Equation

Dagger Symbol

Data

Data Graph

Days, Weeks, Months, and Years

De Moivre's Formula

De Moivre’s Theorem

De Morgan's Laws

Debit

Deca- (Prefix)

Decade

Decagon

Decahedron

Decay Factor

Deci- (Prefix)

Deciles

Decillion

Decimal

Decimal Expansion

Decimal Fraction

Decimal Place Value

Decimal Point

Decimals, Fractions, and Percentages

Decimeter

Decompose

decrease

Decreasing Function

Deductive Reasoning

Definite Integral

Definite Integral Rules

Degenerate

Degenerate Conic Sections

Degree (angle measure)

Degree of a Polynomial

Degree of a Term

Degree Sequence

Degree Symbol

Degrees of Freedom

Del Operator

Deleted Neighborhood

Delta

Delta (Δ δ)

Delta Function

Denominator

Density

Dependent Events

Dependent Variable

Deposit

Derangement

Derivative

Derivative of a Power Series

Derivative of e^x

derivative of ln x

Derivative Rules

Derivative vs. Integral

Derivatives

Derivatives of Inverse Trig Functions

Derivatives of Trigonometric Functions

Descartes Circle Theorem

Descartes' Rule of Signs

Descending Order

Descriptive Statistics

Determinant

Determinant Expansion by Minors

Deterministic

Deviation

Diagonal Matrix

Diagonal of a Polygon

Diagonalizable Matrix

Diagram

Diameter

Diametrically Opposed

Diamond (Rhombus)

Dice

Die

Difference

Difference Equation

Difference Identities

Difference of Cubes

Difference of Squares

Difference Quotient

Differentiable

Differential

Differential Equation

Differential Operator

Differentiation

Differentiation Rules

Digit

Digit Sum

Digital Root

Digon

Dihedral Angle

Dihedral Group

Dilation

Dilation of a Geometric Figure

Dilation of a Graph

dime

Dimensional Analysis

Dimensions

Dimensions of a Matrix

Diophantine Equation

Direct and Inverse Proportion

Direct Proportion

Direct Variation

Directed Graph

Direction Cosine

Directional Derivative

Directly Proportional

Directly Proportional

Directrices of a Hyperbola

Directrices of an Ellipse

Directrix

Directrix of a Parabola

Dirichlet Function

Disconnected Graph

Discontinuity

Discontinuous

Discontinuous Function

Discount

Discrete

Discrete Fourier Transform

Discrete Mathematics

Discrete Uniform Distribution

Discriminant of a Quadratic

Disjoint Events

Disjoint Sets

Disjoint Union

Disjunction

Disjunctive Normal Form

Disjunctive Syllogism

Disk

Disk Method

Distance

Distance Between Two Points

Distance Formula

Distance from a Point to a Line

Distinct

Distinct Prime Factors

Distribute

Distributing Rules

Distribution Function

Distributive Law

Distributive Property

Distributive Property

Diverge

Divergence

Divergence Theorem

Divergent Sequence

Divergent Series

Divide

Dividend

Divides (Divisibility)

Dividing by Zero

Dividing Decimals

Divisibility Rules

Divisible

Division

Division Sign

Divisor

Divisor Function

Dodecagon

Dodecahedron

Domain

Domain of a Function

Domain of Definition

Dot Plot

Dot Product

Double Angle Identities

Double Bar

Double Cone

Double Dot Product

Double Factorial

Double Number Identities

Double Number Line

Double Prime Symbol

Double Root

Doubling Time

Doubly Stochastic Matrix

Dozen

Dummy Variable

Duodecillion

Duodecimal (Base 12)

Dynamical System

Homogeneous Differential Equations

Method of Undetermined Coefficients

Variation of Parameters