| SSC | single-strand conformational [analysis]; sister strand crossover; somatosensory cortex; standard sal... |
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| STP | phenol-preferring sulfotransferase; scientifically treated petroleum; sodium thiopental; standard te... |
| CPDL | cumulative population doubling level |
| CPK | cell population kinetic [model]; creatine phosphokinase |
| CPS | carbamoylphosphate synthetase; cardioplegic perfusion solution; centipoise; cervical pain syndrome; ... |
| synchronous cell population | <cell culture> A culture of cells that all divide in synchrony. Particularly useful for certain studies of the cell cycle, cells can be made synchronous by depriving them of essential molecules, which are then restored. Synchronisation breaks down after a few cycles, however, as individual cells have unique division rates. (19 Jan 1998) |
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| q in population genetics | The frequency of the less common of two different alternative (allelic) versions of a gene. (the frequency of the more common allele is p). (12 Dec 1998) |
| topotypical population | <zoology> Population occurring at the type locality from which the type specimen was taken. (09 Jan 1998) |
| urban population | The inhabitants of a city or town, including metropolitan areas and suburban areas. (12 Dec 1998) |
| biological standard unit | A specific quantity of biologically active reference material (antibiotic, antitoxin, enzyme, hormone, vitamin, etc.). (05 Mar 2000) |
| gold standard | Term used to describe a method or procedure that is widely recognised as the best available. Origin: jargon (05 Mar 2000) |
| standard | 1. A flag; colours; a banner; especially, a national or other ensign. "His armies, in the following day, On those fair plains their standards proud display." (Fairfax) 2. That which is established by authority as a rule for the measure of quantity, extent, value, or quality; especially, the original specimen weight or measure sanctioned by government, as the standard pound, gallon, or yard. 3. That which is established as a rule or model by authority, custom, or general consent; criterion; test. "The court, which used to be the standard of property and correctness of speech." (Swift) "A disposition to preserve, and an ability to improve, taken together, would be my standard of a statesman." (Burke) 4. The proportion of weights of fine metal and alloy established by authority. "By the present standard of the coinage, sixty-two shillings is coined out of one pound weight of silver." (Arbuthnot) 5. <botany> A tree of natural size supported by its own stem, and not dwarfed by grafting on the stock of a smaller species nor trained upon a wall or trellis. "In France part of their gardens is laid out for flowers, others for fruits; some standards, some against walls." (Sir W. Temple) 6. <botany> The upper petal or banner of a papilionaceous corolla. 7. <mechanics> An upright support, as one of the poles of a scaffold; any upright in framing. 8. An inverted knee timber placed upon the deck instead of beneath it, with its vertical branch turned upward from that which lies horizontally. 9. The sheth of a plow. 10. A large drinking cup. Standard bearer, an officer of an army, company, or troop, who bears a standard; commonly called colour sergeantor colour bearer; hence, the leader of any organization; as, the standard bearer of a political party. Origin: OF. Estendart, F. Etendard, probably fr. L. Extendere to spread out, extend, but influenced by E. Stand. See Extend. 1. Being, affording, or according with, a standard for comparison and judgment; as, standard time; standard weights and measures; a standard authority as to nautical terms; standard gold or silver. 2. Hence: Having a recognised and permanent value; as, standard works in history; standard authors. 3. <botany> Not supported by, or fastened to, a wall; as, standard fruit trees. Not of the dwarf kind; as, a standard pear tree. Standard candle, Standard gauge. See Candle, and Gauge. Standard solution. <chemistry> See Standardized solution, under Solution. Source: Websters Dictionary (01 Mar 1998) |
| standard atmosphere | The pressure of the atmosphere at mean sea level, equivalent to 1,013,250 dynes/cm2 or 101,325 Pa (N/m2 in the SI system), a standardised expression of the relation of barometric pressure, temperature, and other atmospheric variables as a function of altitude above sea level. (05 Mar 2000) |
| standard cell | An electrical cell having a definite known voltage; used to calibrate other electric cell's. (05 Mar 2000) |
| standard deviation | Statistical index of the degree of deviation from central tendency, namely, of the variability within a distribution; the square root of the average of the squared deviation's from the mean. A measure of dispersion or variation used to describe a characteristic of a frequency distribution. (05 Mar 2000) |
| standard dosing | An established model of administering medication. (18 Nov 1997) |
| standard error of difference | A statistical index of the probability that a difference between two sample means is greater than zero. (05 Mar 2000) |
| standard error of the mean | A statistical index of the probability that a given sample mean is representative of the mean of the population from which the sample was drawn. (05 Mar 2000) |
| standard limb lead | One of the three original bipolar limb lead's of the clinical electrocardiogram, designated I, II and III: lead I records the potential difference between the right and left arms; lead II the difference between right arm and left leg; and lead III the difference between left arm and left leg. Synonym: indirect lead. (05 Mar 2000) |
| standard operating procedure | <microscopy> A written set of instructions detailing the normal procedures for operating a piece of equipment. WWW: Available online (05 Aug 1998) |