The study of algebraic structures.
A system or process, that is like algebra by substituting one thing for another, or in using signs, symbols, etc., to represent concepts or ideas.
An algebraic structure consisting of a module over a commutative ring (or a vector space over a field) along with an additional binary operation that is bilinear over module (or vector) addition and scalar multiplication.
A collection of subsets of a given set, such that this collection contains the empty set, and the collection is closed under unions and complements (and thereby also under intersections and differences).
A universal algebra.
One of several other types of mathematical structure.
The surgical treatment of a dislocated or fractured bone. Also (countable): a dislocation or fracture.
A system for computation using letters or other symbols to represent numbers, with rules for manipulating these symbols.
A chisel with a curved blade for cutting or scooping channels, grooves, or holes in wood, stone, etc.
Soft material lying between the wall of a vein and the solid vein of ore.
A bookbinder's tool with a curved face, used for blind tooling or gilding.
An incising tool that cuts blanks or forms for envelopes, gloves, etc., from leather, paper, or other materials.
An impostor.
Information.
An act of gouging.
A cut or groove, as left by a gouge or something sharp.
A cheat, a fraud; an imposition.
To make a groove, hole, or mark in by scooping with or as if with a gouge.
To cheat or impose upon; in particular, to charge an unfairly or unreasonably high price.
To use a gouge.
To dig or scoop (something) out with or as if with a gouge; in particular, to use a thumb to push or try to push the eye (of a person) out of its socket.