In this article, you will find a comprehensive list of math terms starting with the letter “P” to enhance your mathematical vocabulary.

**Parallel-**Lines that never intersect.**Parabola-**A symmetrical curve on a graph.**Parameter-**A variable that defines a system or function.**Perimeter-**The distance around a shape.**Percentage-**A fraction of 100.**Permutation-**An arrangement of objects.**Polynomial-**An expression of multiple terms.**Prime-**A number divisible only by 1 and itself.**Probability-**The likelihood of an event occurring.**Proportion-**A statement that two ratios are equal.**Pythagorean-**Relating to Pythagorean theorem.**Pi-**The ratio of a circle’s circumference to its diameter.**Product-**The result of multiplying numbers.**Plane-**A flat, two-dimensional surface.**Positive-**Greater than zero.**Power-**An exponent to which a number is raised.**Progression-**A sequence of numbers with a pattern.**Perpendicular-**Lines that intersect at a right angle.**Parallelogram-**A four-sided figure with opposite sides parallel.**Polygon-**A closed figure with many sides.**Prism-**A solid figure with two parallel, congruent bases.**Probability Distribution-**A function defining probabilities for different outcomes.**Protractor-**A tool for measuring angles.**Pearson-**A measure of linear correlation between variables.**Point-**An exact location in space.**Percentile-**A measure indicating the value below which a given percentage falls.**Polynomial Function-**A function represented by a polynomial equation.**Partial Fraction-**A method of breaking down rational expressions.**Population-**The entire set in a study.**Polar Coordinates-**A system using radius and angle to define positions.**Pascal’s Triangle-**A triangular array of binomial coefficients.**Prime Factor-**A factor that is a prime number.**Permutation Matrix-**A matrix representing a permutation of elements.**Parametric Equation-**An equation where variables are expressed as functions of parameters.**Pre-**image – The original figure before transformation.**Proving-**Demonstrating the truth of a statement.**Polynomial Long Division-**A method for dividing polynomials.**Periodic Function-**A function repeating at regular intervals.**Primality Test-**Determining if a number is prime.**Partial Derivative-**The derivative of a function with respect to one variable.**Paving-**A method of covering a surface with shapes.**Primitive Root-**A number generating all integers modulo n.**Path-**A sequence of edges in a graph.**Probability Space-**The set of all possible outcomes in an experiment.**Pulley-**A simple machine used in physical mathematics.**Projective Geometry-**A type of geometry dealing with properties invariant under projection.**Ping Pong Lemma-**A method in group theory.**Pyramid-**A solid object with a polygonal base and triangular faces.**Polyhedron-**A three-dimensional figure with flat faces.**Parity-**The evenness or oddness of an integer.**P-**adic Number – A type of number used in number theory.**Projection-**A mapping of points to a line or plane.**Pulse-**A waveform in signal processing.**Principal Axis-**A main line about which a figure is symmetrical.**Pi Bond-**A type of covalent bond in chemistry.**Partition-**A division of a number into summand parts.**Peano Axioms-**A set of axioms for the natural numbers.**Period-**The interval between repetitions of a function.**Positive Definite Matrix-**A matrix with positive eigenvalues.**Parametrization-**Expressing a geometric object as parametric equations.**Padé Approximant-**A rational approximation to a function.**Partial Sum-**A sum obtained by adding a sequence of terms.**Pseudorandom-**Seemingly random but generated by a deterministic process.**Plane Geometry-**The study of shapes in a flat plane.**Perceptron-**A type of algorithm in machine learning.**Patent-**A formal document granting rights.**Polylogarithm-**A special function built from logarithms.**Path Connected-**A property in topology.**Pigeonhole Principle-**A principle stating that if n items are put into m containers, with n > m, then at least one container must contain more than one item.**Projection Matrix-**A matrix that maps a space into a subspace.**Pascal’s Law-**A principle in fluid mechanics.**Phase Space-**A space representing all possible states of a system.**Plane Angle-**An angle in a plane figure.**Power Set-**The set of all subsets of a set.**Planck Constant-**A fundamental constant in quantum mechanics.**Principal Value-**The main value in multivalued functions.**Point of Concurrency-**Where three or more lines intersect.**Principal Component-**A direction of maximum variance in data.**Polar Form-**A way of representing complex numbers.**Parametric Surface-**A surface defined by parametric equations.**Parity Bit-**A bit added for error detection in computing.**Polygonal Chain-**A sequence of connected line segments.**Pseudoprime-**A composite number passing some primality tests.**Primorial-**The product of the first n prime numbers.**Poincaré Map-**A method in dynamical systems.**Polytope-**A generalization of polygons and polyhedra.**Periodic Table-**A chart in chemistry arranging elements.**Positive Feedback-**A feedback enhancing the original signal.**Plücker Coordinates-**A system in projective geometry.**Population Mean-**The average of a population.**Pavement-**The surface of a geometric area.**Perimeter Formula-**A formula for calculating the perimeter.**Pentagonal Number-**A figurate number representing a pentagon.**Polynomial Interpolation-**Estimating values within a range of data.**Probabilistic-**Involving probability.**Primitive Polynomial-**A polynomial in Galois fields.**Possibility-**The potential for an event to occur.**Planisphere-**A map projection of the celestial sphere.**Pseudocode-**An informal way to describe algorithms.**Proximity-**The closeness of points or sets in space.