| CC | calcaneal-cuboid; calcium cyclamate; cardiac catheterization; cardiac contusion; cardiac cycle; card... |
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| CFF | critical flicker fusion [test]; critical fusion frequency; cystic fibrosis factor; Cystic Fibrosis F... |
| cff | critical flicker fusion; critical fusion frequency |
| HSLC | high-speed liquid chromatography |
| HS | PACS high-speed picture archive and communication system |
| AD-SoS | Amplitude dependent speed of sound |
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| HSCCC | High Speed Countercurrent Chromatography |
| SOS | Speed Of Sound |
| CCFNI | Critical Care Family Needs Inventory |
| CCU | Critical Care Unit |
| speed | 1. To go; to fare. "To warn him now he is too farre sped." (Remedy of Love) 2. To experience in going; to have any condition, good or ill; to fare. "Ships heretofore in seas lke fishes sped; The mightiest still upon the smallest fed." (Waller) 3. To fare well; to have success; to prosper. "Save London, and send true lawyers their meed! For whoso wants money with them shall not speed!" (Lydgate) "I told ye then he should prevail, and speed On his bad errand." (Milton) 4. To make haste; to move with celerity. "I have speeded hither with the very extremest inch of possibility." (Shak) 5. To be expedient. Origin: AS. Spdan, fr. Spd, n.; akin to D. Spoeden, G. Sich sputen. See Speed. 1. Prosperity in an undertaking; favorable issue; success. "For common speed." "O Lord God of my master Abraham, I pray thee, send me good speed this day." (Gen. Xxiv. 12) 2. The act or state of moving swiftly; swiftness; velocity; rapidly; rate of motion; dispatch; as, the speed a horse or a vessel. "Speed, to describe whose swiftness number fails." (Milton) In kinematics, speedis sometimes used to denote the amount of velocity without regard to direction of motion, while velocity is not regarded as known unless both the direction and the amount are known. 3. One who, or that which, causes or promotes speed or success. "Hercules be thy speed!" God speed, Good speed; prosperity. See Godspeed. Speed gauge, Speed indicator, and Speed recorder, a power lathe with a rapidly revolving spindle, for turning small objects, for polishing, etc.; a hand lathe. Speed pulley, a cone pulley with steps. Synonym: Haste, swiftness, celerity, quickness, dispatch, expedition, hurry, acceleration. See Haste. Origin: AS. Spd success, swiftness, from spwan to succeed; akin to D. Spoedd, OHG. Spuot success, spuot to succees, Skr. Spha to increase, grow fat. B. Source: Websters Dictionary (01 Mar 1998) |
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| swimming speed | <marine biology> Swimming speeds of stream fish vary from essentially zero to over six metres per second, depending upon species, size, and activity. Three categories of performance are generally recognised: 1. Burst (darting) speed: The speed that a fish can maintain for a very short time, generally 5 to 10 seconds, without gross variation in performance. Burst speed is employed for feeding or escape, and represents maximum swimming speed. 2. Cruising speed: The speed that a fish can maintain for an extended period of time without fatigue. This implies a lack of stress, and is the maximum speed traveled by undisturbed individuals. 3. Sustained (prolonged) speed: The speed that a fish can maintain for a prolonged period, but which ultimately results in fatigue. at this speed the fish is under some degree of stress. (19 Jan 1998) |
| film speed | The relative sensitivity of film emulsion to light or radiation exposure; speed is inversely related to detail resolution. (05 Mar 2000) |
| critical | 1. Denoting or of the nature of a crisis. 2. Denoting a morbid condition in which death is possible. 3. In sufficient quantity as to constitute a turning point. (05 Mar 2000) |
| critical angle | The angle of incidence at which a ray of light, in passing between two media, changes from refraction to total reflection. Synonym: limiting angle. (05 Mar 2000) |
| critical care | Health care provided to a critically ill patient during a medical emergency or crisis. (12 Dec 1998) |
| critical care unit | A hospital facility for provision of intensive nursing and medical care of critically ill patients, characterised by high quality and quantity of continuous nursing and medical supervision and by use of sophisticated monitoring and resuscitative equipment; may be organised for the care of specific patient groups, e.g., neonatal or newborn ICU, neurological ICU, pulmonary ICU. Synonym: critical care unit. (05 Mar 2000) |
| critical concentration | <chemistry> The minimum concentration of units needed before a biological polymer will form. Examples of biopolymers are microtubules from tubulin units, polypeptides from amino acid units, polysaccharides from simple sugar units, etc. (09 Oct 1997) |
| critical dissolved oxygen concentration | <biology> The minimum concentration of oxygen in the water needed for the growth of a culture which has been submerged, where oxygen is the limiting factor to the growth of the culture. (09 Oct 1997) |
| critical flicker fusion frequency | The minimal number of flashes of light per second at which an intermittent light stimulus no longer stimulates a continuous visual sensation. (05 Mar 2000) |
| critical gradient | <botany> The maximum stable inclination of an unsupported slope under the most adverse conditions that it will likely experience, as determined by current engineering technology. (09 Oct 1997) |
| critical habitat | <ecology> Specific areas within the geographic area occupied by a species at the time it is listed in accordance with the Endangered Species act. Specific areas outside the geographical area occupied by a species at the time it is listed if there is a determination that such areas are essential for conservation of the species. (09 Oct 1997) |
| critical illness | A disease or state in which death is possible or imminent. (12 Dec 1998) |
| critical illness polyneuropathy | A diffuse axon loss sensorimotor polyneuropathy seen in severely ill patients, usually in the intensive care unit; most patients have been on multiple drugs, and cannot be weaned from ventilatory support; electrodiagnostic studies show evidence of an axon loss polyneuropathy, predominantly motor; of unknown aetiology. (05 Mar 2000) |
| critical mass | <chemistry, radiobiology> The minimum amount of mass of a combination of radioactive substances needed for the substances to generate and lose an exactly balanced number of neutrons to make a chain reaction which will keep going by itself. (09 Oct 1997) |
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