| AAP | air at atmospheric pressure; American Academy of Pediatrics; American Academy of Pedodontics; Americ... |
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| API | alkaline protease inhibitor; Analytical Profile Index; arterial pressure index; atmospheric pressure... |
| atmos | atmospheric |
| LAP | laparoscopy; laparotomy; left arterial pressure; left atrial pressure; leucine aminopeptidase; leuke... |
| OAP | Office of Adolescent Pregnancy; old age pension, old age pensioner; ophthalmic artery pressure; oste... |
| APCI | Atmospheric pressure chemical ionisation |
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| APCI-MS | Atmospheric pressure chemical ionization-mass spectrometry |
| COPES | Community Oriented Program Environment Scale |
| FES | Family Environment Scale |
| HOME | Home Observation for Measurement of the Environment |
| atmospheric | 1. Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth. 2. Existing in the atmosphere. "The lower atmospheric current." (Darwin) 3. Caused, or operated on, by the atmosphere; as, an atmospheric effect; an atmospheric engine. 4. Dependent on the atmosphere. "In am so atmospherical a creature." (Pope) Atmospheric engine, a steam engine whose piston descends by the pressure of the atmosphere, when the steam which raised it is condensed within the cylinder. <engineering> Atmospheric line, the equilibrium line of an indicator card. Steam is expanded "down to the atmosphere" when its pressure is equal to that of the atmosphere. (See Indicator card) Atmospheric pressure, the pressure exerted by the atmosphere, not merely downwards, but in every direction. In amounts to about 14.7 Ibs. On each square inch. Atmospheric railway, one in which pneumatic power, obtained from compressed air or the creation of a vacuum, is the propelling force. Atmospheric tides. See Tide. Origin: Cf. F. Atmospherique. Source: Websters Dictionary (01 Mar 1998) |
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| atmospheric pressure | The pressure at any point in an atmosphere due solely to the weight of the atmospheric gases above the point concerned. (12 Dec 1998) |
| health facility environment | Physical surroundings or conditions of a hospital or other health facility and influence of these factors on patients and staff. (12 Dec 1998) |
| social environment | The aggregate of social and cultural institutions, forms, patterns, and processes that influence the life of an individual or community. (12 Dec 1998) |
| isotropic environment | Environments in which the properties are the same at all points and there are no vectorial or axial cues. (18 Nov 1997) |
| environment | <biology, zoology> The sum total of all the conditions and elements which make up the surroundings and influence the development and actions of an individual. (18 Nov 1997) |
| environment and public health | Natural and man-made environments and their impact on public health. (12 Dec 1998) |
| environment, controlled | A state in which the environs of hospitals, laboratories, domestic and animal housing, work places, spacecraft, and other surroundings are under technological control with regard to air conditioning, heating, lighting, humidity, ventilation, and other ambient features. The concept includes control of atmospheric composition. (12 Dec 1998) |
| environment design | The structuring of the environment to permit or promote specific patterns of behaviour. (12 Dec 1998) |
| extraterrestrial environment | <astronomy> The environment outside the earth or its atmosphere. The environment may refer to a closed cabin (such as a space shuttle or space station) or to space itself, the moon, or other planets. (12 Dec 1998) |
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