| mat | A rapid heart rate that is generated from multiple locations within the atria. Multifocal atrial tachycardia (MAT) tends to be in the range of 100 to 180 beats per minute. MAT can be seen in association with COPD, pneumonia, CHF, lung cancer, diabetes, pulmonary embolism, theophylline toxicity, coronary artery disease or digoxin toxicity. (27 Sep 1997) |
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| mat gold | Powdered gold formed by electrolytic precipitation, compressed into strips, and sintered. (05 Mar 2000) |
| mataco | <zoology> The three-banded armadillo (Tolypeutis tricinctus). Source: Websters Dictionary (01 Mar 1998) |
| matagasse | <zoology> A shrike or butcher bird. Synonym: mattages. Source: Websters Dictionary (01 Mar 1998) |
| matamata | <zoology> The bearded tortoise (Chelys fimbriata) of South American rivers. Origin: Pg. Source: Websters Dictionary (01 Mar 1998) |
| Matas | Rudolph, U.S. Surgeon, 1860-1957. See: Matas' operation. (05 Mar 2000) |
| Matas' operation | An obsolete term for aneurysmoplasty. (05 Mar 2000) |
| match | 1. A person or thing equal or similar to another; one able to mate or cope with another; an equal; a mate. "Government . . . Makes an innocent man, though of the lowest rank, a match for the mightiest of his fellow subjects." (Addison) 2. A bringing together of two parties suited to one another, as for a union, a trial of skill or force, a contest, or the like; as, specifically: A contest to try strength or skill, or to determine superiority; an emulous struggle. "Many a warlike match." "A solemn match was made; he lost the prize." (Dryden) A matrimonial union; a marriage. 3. An agreement, compact, etc. "Thy hand upon that match." "Love doth seldom suffer itself to be confined by other matches than those of its own making." (Boyle) 4. A candidate for matrimony; one to be gained in marriage. "She . . . Was looked upon as the richest match of the West." 5. Equality of conditions in contest or competition. "It were no match, your nail against his horn." (Shak) 6. Suitable combination or bringing together; that which corresponds or harmonizes with something else; as, the carpet and curtains are a match. 7. A perforated board, block of plaster, hardened sand, etc, in which a pattern is partly imbedded when a mold is made, for giving shape to the surfaces of separation between the parts of the mold. Match boarding, a cogwheel of suitable pitch to work with another wheel; specifically, one of a pair of cogwheels of equal size. Origin: OE. Macche, AS. Gemaecca; akin to gemaca, and to OS. Gimako, OHG. Gimah fitting, suitable, convenient, Icel. Mark suitable, maki mate, Sw. Make, Dan. Mage; all from the root of E. Make, v. See Make mate, and Make, and cf. Mate an associate. Anything used for catching and retaining or communicating fire, made of some substance which takes fire readily, or remains burning some time; especially, a small strip or splint of wood dipped at one end in a substance which can be easily ignited by friction, as a preparation of phosphorus or chlorate of potassium. Match box, a box for holding matches. Match tub, a tub with a perforated cover for holding slow matches for firing cannon, esp. On board ship. The tub contains a little water in the bottom, for extinguishing sparks from the lighted matches. Quick match, threads of cotton or cotton wick soaked in a solution of gunpowder mixed with gum arabic and boiling water and afterwards strewed over with mealed powder. It burns at the rate of one yard in thirteen seconds, and is used as priming for heavy mortars, fireworks, etc. Slow match, slightly twisted hempen rope soaked in a solution of limewater and saltpeter or washed in a lye of water and wood ashes. It burns at the rate of four or five inches an hour, and is used for firing cannon, fireworks, etc. Origin: OE. Macche, F. Meche, F. Meche, fr. L. Myxa a lamp nozzle, Gr. Mucus, nostril, a lamp nozzle. Cf. Mucus. Source: Websters Dictionary (01 Mar 1998) |
| matched groups | A method of experimental control in which subjects in one group are matched on a one-to-one basis with subjects in other group's concerning all organism variables (e.g., age, sex, height, weight) which the experimenter believes could influence the variable being investigated. (05 Mar 2000) |
| matched-pair analysis | A type of analysis in which subjects in a study group and a comparison group are made comparable with respect to extraneous factors by individually pairing study subjects with the comparison group subjects (e.g., age-matched controls). (12 Dec 1998) |
| matching | The process of making a study group and a comparison group in an epidemiological study comparable with respect to extraneous or confounding factors such as age, sex, weight, etc. (05 Mar 2000) |
| matchmaking | Busy in making or contriving marriages; as, a matchmaking woman. Source: Websters Dictionary (01 Mar 1998) |
| mate | The Paraguay tea, being the dried leaf of the Brazilian holly (Ilex Paraguensis). The infusion has a pleasant odour, with an agreeable bitter taste, and is much used for tea in South America. Origin: Sp. 1. One who customarily associates with another; a companion; an associate; any object which is associated or combined with a similar object. 2. Hence, specifically, a husband or wife; and among the lower animals, one of a pair associated for propagation and the care of their young. 3. A suitable companion; a match; an equal. "Ye knew me once no mate For you; there sitting where you durst not soar." (Milton) 4. An officer in a merchant vessel ranking next below the captain. If there are more than one bearing the title, they are called, respectively, first mate, second mate, third mate, etc. In the navy, a subordinate officer or assistant; as, master's mate; surgeon's mate. Origin: Perhaps for older make a companion; cf. Also OD. Maet companion, mate, D. Maat. Cf. Make a companion, Match a mate. Source: Websters Dictionary (01 Mar 1998) |
| matelote | A dish of food composed of many kings of fish. Origin: F, fr. Matelot a sailor; properly, a dish such as sailors prepare. Source: Websters Dictionary (01 Mar 1998) |
| mateology | A vain, unprofitable discourse or inquiry. Origin: Gr.; useless, vain + discourse: cf. F. Mateologie. Source: Websters Dictionary (01 Mar 1998) |
| sea mat | <zoology> Any bryozoan of the genus Flustra or allied genera which form frondlike corals. Source: Websters Dictionary (01 Mar 1998) |
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