| sling psychrometer | Wet and dry bulb thermometers mounted on a hand sling, for use when a small portable psychrometer is required. (05 Mar 2000) |
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| psychrometer | 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) |
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| pulmonary sling | <radiology> Aberrant course of left pulmonary artery between trachea and oesophagus, may cause obstructive emphysema of the right lung if the right main stem bronchus is compressed (12 Dec 1998) |
| shoulder sling dressing | A conventional around-the-neck and down the back support that is useful for immobilising an injured shoulder or collarbone (clavicle). (27 Sep 1997) |
| sling | A supporting bandage or suspensory device; especially a loop suspended from the neck and supporting the flexed forearm. (05 Mar 2000) |