In this article, you will find a comprehensive list of math words that start with the letter “D.
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- Decimal- A number with a point dividing the whole and fractional parts
- Degree- Unit of measurement for angles
- Denominator- The bottom number in a fraction
- Diameter- A straight line passing through the center of a circle
- Difference- The result of subtraction
- Digit- A single numeral (0-9)
- Dimension- A measurable extent of some kind, such as length, breadth, depth, or height
- Direct Proportion- A relationship where one quantity increases as another increases
- Distributive Property- a(b + c) = ab + ac, distribution over addition or subtraction
- Divisor- The number by which another number is divided
- Dividend- The number to be divided
- Division- The process of determining how many times one number is contained within another
- Dodecahedron- A three-dimensional shape with 12 flat faces
- Domain- The set of possible input values (x-values) for a function
- Diagonal- A line segment joining two non-adjacent vertices of a polygon
- Differential- Relating to the difference of quantities
- Degree of Polynomial- The highest power of the variable in a polynomial
- Dependent Variable- A variable whose value depends on another
- Decomposition- Breaking down a number into smaller parts
- Deduction- Deriving conclusions through logical reasoning
- Degree of a Graph- The number of edges incident to a vertex
- Duality- Concept where structures have a complementary counterpart
- Disjoint Sets- Sets that have no elements in common
- Differential Equation- An equation involving derivatives
- Discrete Mathematics- Branch of math dealing with countable, distinct elements
- Disjoint- Mutually exclusive or having no intersection
- Deviation- Difference from a standard or average
- Depreciation- The reduction in value of an asset over time
- Directrix- A fixed line used in describing a curve or surface
- Dilation- Transformation altering the size but not the shape
- Discriminant- Part of the quadratic formula, b² – 4ac
- Dot Product- Scalar product of two vectors
- Determinant- A value calculated from a square matrix
- Derivative- The rate of change of a function with respect to a variable
- Distribution- A function showing the range of possible values for a variable
- Diophantine Equation- Polynomial equations with integer solutions
- Dual Space- Set of linear functionals on a vector space
- Directional Derivative- Rate of change of a function in a given direction
- Double Integral- Integration over a two-dimensional area
- Dynamic- Relating to a process of change
- Difference of Squares- a² – b² = (a + b)(a – b)
- Dichotomy- Division into two mutually exclusive groups
- Discrete Variable- A variable that can take on a finite or countable number of values
- Diagonal Matrix- A matrix with non-zero elements only on the diagonal
- Divisibility- The ability of one number to be divided by another without a remainder
- Duality Principle- Interchange properties in mathematical proofs
- Distribution Property- Property of distributing operations over functions
- Differential Calculus- The study of how functions change when their inputs change
- Discrete Probability- The probability of outcomes in a discrete sample space
- Direct Method- Solving linear equations by directly manipulating them
- Disjoint Union- Combination of disjoint sets
- Discrete Distribution- Probability distribution for discrete random variables
- Division Algorithm- The method of dividing polynomials
- Dimensional Analysis- Analysis of units and their consistency
- De Morgan’s Laws- Laws relating union and intersection of sets
- Discrete Fourier Transform- Transform used in signal processing
- Definite Integral- Integral evaluated over a specific interval
- Domain of Definition- The set of values for which a function is defined
- Deterministic Model- A model where outcomes are precisely determined
- Difference Operator- Operator expressing finite differences
- Disjunctive Normal Form- Standard form in boolean algebra
- Decision Tree- A branching method to reach decisions based on conditions
- Differential Geometry- Study of curves and surfaces through calculus
- Dimensionality Reduction- Reducing the number of variables under consideration
- Distance Formula- Formula to calculate distance between two points
- Discrete Event Simulation- Simulation of processes in discrete steps
- Discrete Optimization- Optimization problem over discrete spaces
- Digest Function- Function that transforms data into fixed-size hash
- Degrees of Freedom- The number of values in a calculation that are free to vary
- Discrepancy- Difference between expected and actual values
- Dynamic Programming- Method for solving complex problems by breaking them down
- Doubling Time- Time required for a quantity to double in size
- Difference Quotient- The ratio of change in function value to change in variable
- Dual Graph- A graph associating polygon vertices and edges to another
- Disjoint Partition- A partition where subsets have no elements in common
- Divisible- Capable of being divided by another number without remainder
- Discrete Logarithm- Logarithm in terms of integers over modular arithmetic
- Discrete Set- A set of distinct and separate values
- Distributed Processing- Processing spread over multiple systems
- Discreteness- Quality of being separate or distinct
- Decay Rate- The rate at which a substance decreases over time
- Discovery Learning- Learning approach through discovery and exploration
- Discrete Cosine Transform- Similar to Fourier transform, used in signal processing
- Data Mining- Extracting useful information from large data sets
- Design Matrix- A matrix of data for statistical models
- Discontinuity- A point where a mathematical function is not continuous
- Discrete Sampling- Sampling at distinct intervals
- Decision Boundary- Separation in space used in classification problems
- Deconvolution- Reversing the effect of convolution on data
- Deterministic- Predictable with no randomness involved
- Derivative Test- Test using derivatives to find local extrema
- Double Counting- Counting an event more than once
- Divide- and-Conquer Algorithm – Algorithm breaking problems into smaller subproblems
- Damped Oscillation- Oscillation reduced over time due to damping
- Data Frame- Structure for storing data in grids
- Deadlock- A situation where processes cannot proceed due to dependency
- Degree Sequence- Sequence of vertex degrees in a graph
- Dichotomous Variable- A variable with only two possible values
- Dynamic Range- The ratio between the largest and smallest possible values