Noun | 1. | ![]() activity - any specific behavior; "they avoided all recreational activity" seismography - the measurement of tremors and shocks and undulatory movements of earthquakes quantitative analysis, quantitative chemical analysis - chemical analysis to determine the amounts of each element in the substance actinometry - measuring the intensity of electromagnetic radiation (especially of the sun's rays) algometry - measuring sensitivity to pain or pressure anemography - recording anemometrical measurements anemometry - measuring wind speed and direction angulation - the precise measurement of angles anthropometry - measurement and study of the human body and its parts and capacities arterial blood gases - measurement of the pH level and the oxygen and carbon dioxide concentrations in arterial blood; important in diagnosis of many respiratory diseases audiometry - measuring sensitivity of hearing bathymetry, plumbing - measuring the depths of the oceans calorimetry - measurement of quantities of heat cephalometry - measurement of human heads densitometry - measuring the optical density of a substance by shining light on it and measuring its transmission dosimetry - measuring the dose of radiation emitted by a radioactive source fetometry, foetometry - measurement of a fetus (especially the diameter of the head) gravimetry, hydrometry - the measurement of specific gravity hypsometry, hypsography - measurement of the elevation of land above sea level mental measurement - a generic term used to cover any application of measurement techniques to the quantification of mental functions micrometry - measuring with a micrometer observation - the act of making and recording a measurement pelvimetry - measurement of the dimensions of the bony birth canal (to determine whether vaginal birth is possible) photometry - measurement of the properties of light (especially luminous intensity) quantification - the act of discovering or expressing the quantity of something radioactive dating - measurement of the amount of radioactive material (usually carbon 14) that an object contains; can be used to estimate the age of the object meter reading, reading - the act of measuring with meters or similar instruments; "he has a job meter reading for the gas company" sampling - measurement at regular intervals of the amplitude of a varying waveform (in order to convert it to digital form) sounding - the act of measuring depth of water (usually with a sounding line) sound ranging - locating a source of sound (as an enemy gun) by measurements of the time the sound arrives at microphones in known positions scaling - act of measuring or arranging or adjusting according to a scale spirometry - the use of a spirometer to measure vital capacity surveying - the practice of measuring angles and distances on the ground so that they can be accurately plotted on a map; "he studied surveying at college" telemetry - automatic transmission and measurement of data from remote sources by wire or radio or other means thermometry - the measurement of temperature thermogravimetry - the measurement of changes in weight as a function of changes in temperature used as a technique of chemically analyzing substances tonometry - the measurement of intraocular pressure by determining the amount of force needed to make a slight indentation in the cornea viscometry, viscosimetry - the measurement of viscosity |