a number of a group
71group trading — noun (business) The practice by a number of traders of joining up, eg to improve distribution, cut administration costs, etc • • • Main Entry: ↑group …
72group flight — number of aircraft flying in a group …
73group of friends — number of people who are friends with each other, gang of buddies, gathering of friends …
74Group (mathematics) — This article covers basic notions. For advanced topics, see Group theory. The possible manipulations of this Rubik s Cube form a group. In mathematics, a group is an algebraic structure consisting of a set together with an operation that combines …
75Number theory — A Lehmer sieve an analog computer once used for finding primes and solving simple diophantine equations. Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers (the… …
76Group (sociology) — In sociology, a group can be defined as two or more humans that interact with one another, accept expectations and obligations as members of the group, and share a common identity. By this definition, society can be viewed as a large group,… …
77Group selection — In evolutionary biology, group selection refers to the idea that alleles can become fixed or spread in a population because of the benefits they bestow on groups, regardless of the alleles effect on the fitness of individuals within that group.… …
78group — groupwise, adv. /groohp/, n. 1. any collection or assemblage of persons or things; cluster; aggregation: a group of protesters; a remarkable group of paintings. 2. a number of persons or things ranged or considered together as being related in… …
79number game — Introduction any of various puzzles and games that involve aspects of mathematics. Mathematical recreations comprise puzzles and games that vary from naive amusements to sophisticated problems, some of which have never been solved.… …
80Number needed to treat — The number needed to treat (NNT) is an epidemiological measure used in assessing the effectiveness of a health care intervention, typically a treatment with medication. The NNT is the average number of patients who need to be treated to prevent… …
