| CTM | cardiotachometer; Chlortrimeton; cricothyroid muscle; computed tomographic myelography |
|---|---|
| h. | hour; ½Ã°£ |
| o.h. | omii hora; every hour; ¸Å½Ã°£ |
| q.h. | quaque hora; Every Hour; ¸Å½Ã°£ |
| q.2h. | Every 2(Two) Hour; ¸Å 2½Ã°£¸¶´Ù |
| H | 1-hour |
|---|---|
| ACH | air changes per hour |
| hr | hour |
| PIH | post inoculation hour |
| decongestant | <pharmacology> This represents a large group of sympathomimetic medications that act to constrict blood vessels in the nasal passages and reduce congestion or swelling. Common medications include pseudoephedrine hydrochloride, phenylpropanolamine, oxymetazoline and phenylephrine. Can be delivered as a pH balanced nasal solution. (09 Oct 1997) |
|---|---|
| milligram hour | An obsolete term for a unit of exposure in radium therapy, i.e., the application of 1 milligram of radium during 1 hour. Synonym: milligramage. (05 Mar 2000) |
| hour | 1. <physics> The twenty-fourth part of a day; sixty minutes. 2. The time of the day, as expressed in hours and minutes, and indicated by a timepiece; as, what is the hour? at what hour shall we meet? 3. Fixed or appointed time; conjuncture; a particular time or occasion; as, the hour of greatest peril; the man for the hour. "Woman, . . . Mine hour is not yet come." (John II. 4) "This is your hour, and the power of darkness." (Luke xxii. 53) 4. A measure of distance traveled. "Vilvoorden, three hours from Brussels." (J. P. Peters) After hours, after the time appointed for one's regular labour. Canonical hours. See Canonical. 5. <astronomy> Hour angle, a line on which the shadow falls at a given hour; the intersection of an hour circle which the face of the dial. Hour plate, the plate of a timepiece on which the hours are marked; the dial. Sidereal hour, the twenty-fourth part of a sidereal day. Solar hour, the twenty-fourth part of a solar day. The small hours, the early hours of the morning, as one o'clock, two o'clock, etc. To keep good hours, to be regular in going to bed early. Origin: OE. Hour, our, hore, ure, OF. Hore, ore, ure, F. Heure, L. Hora, fr. Gr, orig, a definite space of time, fixed by natural laws; hence, a season, the time of the day, an hour. See Year, and cf. Horologe, Horoscope. Source: Websters Dictionary (01 Mar 1998) |
| kilowatt-hour | <unit> A standard measure of electrical energy, equals one kilowatt of power delivered for one hour. Equivalent to 3.6 million joules. For example, 1 kWh will light a 100-watt light bulb for 10 hours. 1 kWh = 3,413 Btu. Abbreviation: kWh (05 Dec 1998) |
| 24-hour cardiac monitor | <apparatus> A recording device, worn by the patient for the purpose of monitoring the hearts rhythm and rate, over a period of 24 hours. (27 Sep 1997) |
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