Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth.
the pressure generated by the gravitational attraction between the earth and its surrounding air. Synonymous with barometric pressure.
A term used to describe a lighting effect created by laser light projected through the air, often enhanced with theatrical fog; also known as aerial beams
something to do with the atmosphere; gases round the earth; of mood or feeling As a specialist in atmospheric research, he was very concerned about damage to the ozone layer. It was a moody, atmospheric piece of music. atmosphere (n); atmospherically (adv)
where a heater relies on the surrounding atmosphere for air supply. Air is not forced through unit, but is naturally draft vented.
A test conducted aboveground or above water; i.e., in the open air.
The weight per unit area of the total mass pressure of air above a given point; also called barometric pressure [LCOTE