| ninepins | A game played with nine pins, or pieces of wood, set on end, at which a wooden ball is bowled to knock them down; bowling. In the United States, ten pins are used for this game, which is therefore often called tenpins. Source: Websters Dictionary (01 Mar 1998) |
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| ninhydrin | <chemical> 2,2-dihydroxy-1h-indene-1,3-(2h)-dione. Reagent toxic to skin and mucus membranes. It is used in chemical assay for peptide bonds, i.e., protein determinations and has radiosensitizing properties. Pharmacological action: indicators and reagents, radiation-sensitizing agents. Chemical name: 1H-Indene-1,3(2H)-dione, 2,2-dihydroxy- (12 Dec 1998) |
| ninhydrin reaction | <technique> A technique for detecting amino acids and proteins by heating a material with ninhydrin, if amino molecules are present, there is a colour reaction. (09 Oct 1997) |
| ninhydrin-Schiff stain | <technique> For proteins, proteins are revealed by using ninhydrin or alloxan to produce aldehydes from primary aliphatic amines by oxidative deamination; the aldehydes are shown by reaction with Schiff's reagent. (05 Mar 2000) |
| ninth cranial nerve | <anatomy, nerve> The glossopharyngeal nerve enervates muscles involved in swallowing and taste. Lesions of the ninth nerve result in difficulty swallowing and disturbance of taste. Synonym: cranial nerve IX. (27 Sep 1997) |
| ninth-day erythema | An obsolete term for a nontoxic eruption that simulates measles or a toxic erythema, occurring usually on the ninth day of a course of medication; first described as a reaction to arsenical treatment of syphilis. Synonym: Milian's disease, Milian's erythema. (05 Mar 2000) |
| ninut | <zoology> The magpie. Source: Websters Dictionary (01 Mar 1998) |
| niobate | <chemistry> Same as Columbate. See: Niobium. Source: Websters Dictionary (01 Mar 1998) |
| niobe | The daughter of Tantalus, and wife of Amphion, king of Thebes. Her pride in her children provoked Apollo and Diana, who slew them all. Niobe herself was changed by the gods into stone. Origin: L. Nioba, Niobe, gr. Source: Websters Dictionary (01 Mar 1998) |
| niobic | <chemistry> Same as Columbic. Source: Websters Dictionary (01 Mar 1998) |
| niobite | <chemical> Same as Columbite. Source: Websters Dictionary (01 Mar 1998) |
| niobium | <chemistry> A later name of columbium. See Columbium. Origin: NL, fr. L. & E. Niobe. Source: Websters Dictionary (01 Mar 1998) |
| niopo | A kind of snuff prepared by the natives of Venezuela from the roasted seeds of a leguminous tree (Piptadenia peregrina), thence called niopo tree. Source: Websters Dictionary (01 Mar 1998) |
| nip | 1. A seizing or closing in upon; a pinching; as, in the northern seas, the nip of masses of ice. 2. A pinch with the nails or teeth. 3. A small cut, or a cutting off the end. 4. A blast; a killing of the ends of plants by frost. 5. A biting sarcasm; a taunt. 6. A short turn in a rope. Nip and tuck, a phrase signifying equality in a contest. 1. To catch and inclose or compress tightly between two surfaces, or points which are brought together or closed; to pinch; to close in upon. "May this hard earth cleave to the Nadir hell, Down, down, and close again, and nip me flat, if I be such a traitress." (Tennyson) 2. To remove by pinching, biting, or cutting with two meeting edges of anything; to clip. "The small shoots . Must be nipped off." (Mortimer) 3. Hence: To blast, as by frost; to check the growth or vigor of; to destroy. 4. To vex or pain, as by nipping; hence, to taunt. "And sharp remorse his heart did prick and nip." (Spenser) To nip in the bud, to cut off at the verycommencement of growth; to kill in the incipient stage. Origin: OE. Nipen; cf. D. Niipen to pinch, also knippen to nip, clip, pinch, snap, knijpen to pinch, LG. Knipen, G. Kneipen, kneifen, to pinch, cut off, nip, Lith. Knebti. Source: Websters Dictionary (01 Mar 1998) |
| Nipkow disk | <microscopy> An opaque circular disk perforated with small holes arranged at equal angular separations and in an Archimedes spiral. The holes trace a raster scanning pattern when the disk is spun around its centre. The Nipkow disk was used in early experiments on television and more recently in Petrans confocal microscope. (05 Aug 1998) |
Synonyms : Quinol-Nitrate Oxidoreductase, Respiratory Nitrate Reductase, Nitrate Reductase, Respiratory, Oxidoreductase, Quinol-Nitrate, Quinol Nitrate Oxidoreductase, Reductase, Nitrate, Reductase, Respiratory Nitrate
Synonyms : Assimilatory NAD(P)H Nitrate Reductase, Bi-Specific NAD(P)H Nitrate Reductase, NAD(P)H Bispecific Nitrate Reductase, NAD(P)H Nitrate Reductase, NAD(P)H-Nitrate Reductase, Nitrate Reductase (Reduced Nicotinamide Adenine Dinucleotide (Phosphate))
Synonyms : Assimilatory Nitrate Reductase, NADH-Dependent, NADH-Dependent Nitrate Reductase, NADH-Nitrate Reductase, Nitrate Reductase (NADH)2, Nitrite:NAD+ Oxidoreductase, Assimilatory Nitrate Reductase, NADH Dependent, NADH Dependent Nitrate Reductase
Synonyms : Assimilatory NADPH-Nitrate Reductase, Assimilatory Nitrate Reductase, NADPH-Dependent, Assimilatory Reduced Nicotinamide Adenine Dinucleotide Phosphate-Nitrate Reductase, NADPH-Nitrate Reductase, NADPH:Nitrate Reductase, Nitrite:NADP+ Oxidoreductase
Synonyms : Reductases, Nitrate
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| Nitrosomonas |
ellipsoidal soil bacteria
Ãâó: wordnet.princeton.edu/perl/webwn
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| nitrous |
azotic: of or containing nitrogen; "nitric acid"
Ãâó: wordnet.princeton.edu/perl/webwn
|
| nitrous acid |
an unstable inorganic acid known only in solution and as nitrite salts
Ãâó: wordnet.princeton.edu/perl/webwn
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| NIH |
National Institutes of Health: an agency in the Department of Health and Human Services whose mission is to employ science in the pursuit of knowledge to improve human health; is the principal biomedical research agency of the federal government
Ãâó: wordnet.princeton.edu/perl/webwn
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| nitrous oxide |
inhalation anesthetic used as an anesthetic in dentistry and surgery
Ãâó: wordnet.princeton.edu/perl/webwn
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| NI | nigella of Spain and southern France |
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| NI | herb of the Mediterranean region having pungent seeds used like those of caraway |
| NI | a landlocked republic in West Africa |
| NI | an African river |
| NI | the basic unit of money in Niger |
| NI | an African river |
| NI | a family of African language spoken in west Africa |
| NI | the family of languages that includes most of the languages spoken in sub-Saharan Africa |
| NI | the family of languages that includes most of the languages spoken in sub-Saharan Africa |
| NI | a republic in West Africa on the Gulf of Guinea |
| NI | a native or inhabitant of Nigeria |
| NI | of or relating to the people of Nigeria |
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