A method of natural birth control that involves counting days of a woman's menstrual cycle in order to determine when sexual intercourse is most or least likely to result in pregnancy.

A rhythm method of natural birth control.

(statistics) Given a random sample mathbf x₁,…, mathbf x_N from an n-dimensional random variable mathbf X, a mean defined as

(software, object-oriented programming) remote procedure call

Alternative spelling of servomechanism

(Canadian military) A members of the Canadian Forces that is not a commissioned officer; includes warrant officers, non-commissioned officers and privates.

An average calculated after biasing values according to agreed weightings.

(economics, Marxism) The combination of the means of labor, such as machines, tools, and equipment, and the subject of labor used by workers to make products.

(rail transport, road transport) A measure of reliability that expresses the average distance travelled by a type of lorry, bus, rolling stock, etc, before preventative or reparative maintenance is required.

The body of principles and practices used by scholars to make their claims about the world as valid and trustworthy as possible, and to make them known to the scholarly public.