A method of moderating one's diet by determining the number of calories in each serving of food, and keeping one's consumption below a predetermined number.

A device which controls the temperature and relative humidity in cars, buildings, etc, by way of a heating and/or air conditioning system.

plural of control room

Control of pests using natural predators, parasites, pathogens, or other organisms that harm the pest species.

plural of control order

(in an experiment) The group of test subjects left untreated or unexposed to some procedure and then compared with treated subjects in order to validate the results of the test.

(construction) A groove which is formed, sawn, or tooled in a concrete or masonry structure to regulate the location and amount of cracking and separation resulting from the dimensional change of different parts of the structure, thereby avoiding the development of high stresses.

Subverting by means of psychological tactics an individual's control of his or her mind (thinking, behavior, emotions or decisions). One acknowledged technique to facilitate this is hypnosis.

A set of technical means to mitigate seismic impact in building and non-building structures for enhancing their seismic fitness.

An interdisciplinary branch of engineering and mathematics, dealing with the control of the behavior of dynamical systems.