| reality | That which exists objectively and in fact, and can be consensually validated. Origin: L. Res, thing, fact (05 Mar 2000) |
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| reality adaptation | The ability to adjust to the world as it exists. (05 Mar 2000) |
| reality awareness | The ability to distinguish external objects as being different from oneself. (05 Mar 2000) |
| reality principle | The concept that the pleasure principle in personality development is modified by the demands of external reality; the principle or force that compels the growing child to adapt to the demands of external reality. (05 Mar 2000) |
| reality testing | The individual's objective evaluation of the external world and the ability to differentiate adequately between it and the internal world; considered to be a primary ego function. (12 Dec 1998) |
| reality therapy | A form of therapy in which the patient learns to fulfill his needs of involvement and responsibility which are basic to facing and accepting reality. (12 Dec 1998) |
| retreat from reality | Substitution of imaginary satisfactions or fantasy for relations with the real world. (05 Mar 2000) |
| air thermometer | See: gas thermometer. (05 Mar 2000) |
| axillary thermometer | Thermometer used by placing it in the armpit, with arm held closely to the side. Synonym: axillary thermometer. (05 Mar 2000) |
| axilla thermometer | Thermometer used by placing it in the armpit, with arm held closely to the side. Synonym: axillary thermometer. (05 Mar 2000) |
| gas thermometer | A thermometer filled with dry air or a gas, the expansion or increased pressure of which indicates the degree of heat; used to measure high temperatures. (05 Mar 2000) |
| resistance thermometer | A device measuring temperature by the change of the electrical resistance of a metal wire. Synonym: resistance pyrometer. (05 Mar 2000) |
| clinical thermometer | A small, self-registering thermometer, consisting of a simple scaled glass tube containing mercury, used for taking the temperature of the body. (05 Mar 2000) |
| water thermometer | <physics> A thermometer filled with water instead of mercury, for ascertaining the precise temperature at which water attains its maximum density. This is about 39 deg Fahr, or 4 deg Centigrade; and from that point down to 32 deg Fahr, or 0 deg Centigrade, or the freezing point, it expands. Source: Websters Dictionary (01 Mar 1998) |
| wet and dry bulb thermometer | An instrument for measuring the tension of the aqueous vapor in the atmosphere, being essentially a wet and dry bulb hygrometer. Origin: Gr. Psychros cold: cf. F. Psychrometre. Source: Websters Dictionary (01 Mar 1998) |