| knockout | <genetics, molecular biology> Informal term for the generation of a mutant organism in which the function of a particular gene has been completely eliminated (a null allele). See: homologous recombination, transposon. (18 Nov 1997) |
|---|---|
| knockstone | <chemical> A block upon which ore is broken up. Source: Websters Dictionary (01 Mar 1998) |
| Knoll | Philipp, Bohemian physiologist, 1841-1900. See: Knoll's glands. (05 Mar 2000) |
| Knoll's glands | Gland's in the ventricular folds of the larynx (false vocal cords). (05 Mar 2000) |
| Knoop | Hedwig, German physician, *1908. See: Knoop's theory. (05 Mar 2000) |
| Knoop hardness number | A number obtained by dividing the load in kg applied to a pyramid-shaped diamond of specific size divided by the projected area of the impression: KHN = L/A, where A= the projected area of the impression in mm2 and L= the load in kg; used for measurements of hardness of any materials, especially very hard and brittle substances such as tooth dentin and enamel. (05 Mar 2000) |
| Knoop's theory | That the catabolism of fatty acids occurs in stages in each of which there is a loss of two carbon atoms as a result of oxidation at the beta-carbon atom, e.g. (05 Mar 2000) |
| knop | 1. A knob; a bud; a bunch; a button. "Four bowls made like unto almonds, with their knops and their flowers." (Ex. Xxv. 21) 2. Any boldly projecting sculptured ornament; especially, the ornamental termination of a pinnacle, and then synonymous with finial; called also knob, and knosp. <botany> Knop sedge, the bur reed (Sparganium); so called from its globular clusters of seed vessels. Origin: OE. Knop, knoppe; cf. D.knop, knoop, G. Knopf, Dan. Knap, knop, Sw. Knapp, knopp, button, bud, Icel. Knappr, and E. Knap, Cf. Knap, Knob. Source: Websters Dictionary (01 Mar 1998) |
| knoppern | <zoology> A kind of gall produced by a gallfly on the cup of an acorn, used in tanning and dyeing. Origin: Cf. G. Knopper. See Knop. Source: Websters Dictionary (01 Mar 1998) |
| knot | 1. To form knots or joints, as in a cord, a plant, etc.; to become entangled. "Cut hay when it begins to knot." (Mortimer) 2. To knit knots for fringe or trimming. 3. To copulate; said of toads. 1. A fastening together of the pars or ends of one or more threads, cords, ropes, etc, by any one of various ways of tying or entangling. A lump or loop formed in a thread, cord, rope. Etc, as at the end, by tying or interweaving it upon itself. An ornamental tie, as of a ribbon. The names of knots vary according to the manner of their making, or the use for which they are intended; as, dowknot, reef knot, stopper knot, diamond knot, etc. 2. A bond of union; a connection; a tie. "With nuptial knot." "Ere we knit the knot that can never be loosed." (Bp. Hall) 3. Something not easily solved; an intricacy; a difficulty; a perplexity; a problem. "Knots worthy of solution." (Cowper) "A man shall be perplexed with knots, and problems of business, and contrary affairs." (South) 4. A figure the lines of which are interlaced or intricately interwoven, as in embroidery, gardening, etc. "Garden knots." "Flowers worthy of paradise, which, not nice art In beds and curious knots, but nature boon Poured forth profuse on hill, and dale, and plain." (Milton) 5. A cluster of persons or things; a collection; a group; a hand; a clique; as, a knot of politicians. "Knots of talk." "His ancient knot of dangerous adversaries." (Shak) "Palms in cluster, knots of Paradise." (Tennyson) "As they sat together in small, separate knots, they discussed doctrinal and metaphysical points of belief." (Sir W. Scott) 6. A portion of a branch of a tree that forms a mass of woody fibre running at an angle with the grain of the main stock and making a hard place in the timber. A loose knot is generally the remains of a dead branch of a tree covered by later woody growth. 7. A knob, lump, swelling, or protuberance. "With lips serenely placid, felt the knot Climb in her throat." (Tennyson) 8. A protuberant joint in a plant. 9. The point on which the action of a story depends; the gist of a matter. "I shoulde to the knotte condescend, And maken of her walking soon an end." (Chaucer) 10. <mechanics> See Node. 11. A division of the log line, serving to measure the rate of the vessel's motion. Each knot on the line bears the same proportion to a mile that thirty seconds do to an hour. The number of knots which run off from the reel in half a minute, therefore, shows the number of miles the vessel sails in an hour. Hence: A nautical mile, or 6080.27 feet; as, when a ship goes eight miles an hour, her speed is said to be eight knots. 12. A kind of epaulet. See Shoulder knot. 13. <zoology> A sandpiper (Tringa canutus), found in the northern parts of all the continents, in summer. It is grayish or ashy above, with the rump and upper tail coverts white, barred with dusky. The lower parts are pale brown, with the flanks and under tail coverts white. When fat it is prized by epicures. Called also dunne. The name is said to be derived from King Canute, this bird being a favorite article of food with him. "The knot that called was Canutus' bird of old, Of that great king of Danes his name that still doth hold, His appetite to please that far and near was sought." (Drayton) Origin: OE. Knot, knotte, AS. Cnotta; akin to D. Knot, OHG. Chnodo, chnoto, G. Knoten, Icel. Kntr, Sw. Knut, Dan. Knude, and perh. To L. Nodus. Cf. Knout, Knit. Source: Websters Dictionary (01 Mar 1998) |
| knotberry | <botany> The cloudberry (Rudus Chamaemorus); so called from its knotted stems. Source: Websters Dictionary (01 Mar 1998) |
| knotgrass | <botany> A common weed with jointed stems (Polygonum aviculare); knotweed. The dog grass. See Dog. An infusion of Polygonum aviculare was once supposed to have the effect of stopping the growth of an animal, and hence it was called, as by Shakespeare, "hindering knotgrass." "We want a boy extremely for this function, Kept under for a year with milk and knotgrass." (Beau. & Fl) Source: Websters Dictionary (01 Mar 1998) |
| knotted | 1. Full of knots; having knots knurled; as, a knotted cord; the knotted oak. 2. Interwoven; matted; entangled. "Make . . . Thy knotted and combined locks to part." (Shak) 3. Having intersecting lines or figures. "The west corner of thy curious knotted garden." (Shak) 4. <geology> Characterised by small, detached points, chiefly composed of mica, less decomposable than the mass of the rock, and forming knots in relief on the weathered surface; as, knotted rocks. 5. Entangled; puzzling; knotty. "They're catched in knotted lawlike nets." (Hudibras) Source: Websters Dictionary (01 Mar 1998) |
| knotweed | <botany> See Knotrass. Source: Websters Dictionary (01 Mar 1998) |
| knotwort | <botany> A small, herbaceous, trailing plant, of the genus Illecebrum (I. Verticillatum) Source: Websters Dictionary (01 Mar 1998) |
| knee-jerk reflex |
a test for a reflexive extension of the leg to check the functioning of the nervous system; tapping the knee just below the kneecap should cause the lower part of the leg to jerk upward
출처: www.american-depot.com/services/resources_gl_k.asp
|
|---|---|
| knife |
1. Cutting or stabbing instrument with a sharp single or double edged blade set in a handle. 2. To pass into or through something quickly. 3. Tool that uses a flat blade to spread soft materials.
출처: www.peakagents.ca/glossary/k2.htm
|
| knife |
Tool with a sharp blade used for cutting tissue
출처: www.umdnj.edu/hsweb/research_glossary/k.htm
|
| knowledge |
Heretical Science gives a comparative run down on classical knowledge as taught by the medieval Church, and Heretical Science the forerunner of modern science.
출처: www.embassy.org.nz/encycl/k2encyc.htm
|
| kneecap |
The stifle, with the bone known as the patella.
출처: www.bestfriendspetcare.com/dog_glossary/dog-terms-...
|
| Kn | (usually in the plural) underpants worn by women |
|---|---|
| Kn | trousers ending above the knee |
| Kn | miscellaneous curios |
| Kn | miscellaneous curios |
| Kn | a small mass-produced article |
| Kn | edge tool used as a cutting instrument |
| Kn | a weapon with a handle and blade with a sharp point |
| Kn | any long thin projection that is transient |
| Kn | use a knife on |
| Kn | the blade of a knife |
| Kn | the sharp cutting side of the blade of a knife |
| Kn | fighting with knives |