World Book 1997 4.0

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<HTML> <HEAD><TITLE>DICTIONARY: log - logical operations</TITLE></HEAD> <BODY BGCOLOR="#ffffff"> <A HREF="a.dic">A</A> <A HREF="b.dic">B</A> <A HREF="c.dic">C</A> <A HREF="d.dic">D</A> <A HREF="e.dic">E</A> <A HREF="f.dic">F</A> <A HREF="g.dic">G</A> <A HREF="h.dic">H</A> <A HREF="i.dic">I</A> <A HREF="j.dic">J</A> <A HREF="k.dic">K</A> <A HREF="l.dic">L</A> <A HREF="m.dic">M</A> <A HREF="n.dic">N</A> <A HREF="o.dic">O</A> <A HREF="p.dic">P</A> <A HREF="q.dic">Q</A> <A HREF="r.dic">R</A> <A HREF="s.dic">S</A> <A HREF="t.dic">T</A> <A HREF="u.dic">U</A> <A HREF="v.dic">V</A> <A HREF="w.dic">W</A> <A HREF="x.dic">X</A> <A HREF="y.dic">Y</A> <A HREF="z.dic">Z</A> <A NAME="log"> log, noun, adjective, verb, logged, logging.<DL COMPACT><DD>noun 1. a length of wood just as it comes from the tree. Ex. We burn logs in our fireplace. <DD> 2a. the daily record of a ship's voyage, kept in a logbook. Ex. The captain wrote the log each evening. <DD> b. a similar record of an airplane trip. Ex. The log was never completed because the airplane crashed. <DD> c. a record of the operation or performance of an engine or other device. <DD> d. any daily record of activity. Ex. a log of meetings, a log of telephone calls. The Presidential log of this ... day started at two o'clock this morning (Manchester Guardian Weekly). <DD> 3. a float for measuring the speed of a ship, such as a chip log or patent log. Ex. A sailor threw the log overboard each day and the mate took the reading. <DD>adj. made of logs. Ex. a log house. <DD>v.i. to cut down trees, cut them into logs, and move them out of the forest. <DD>v.t. 1. to cut (trees) into logs; cut down and trim (trees). <DD> 2. to cut down trees on (land). <DD> 3a. to enter in the log of a ship or airplane. <DD> b. to enter name and offense of (a sailor) in a ship's log. <DD> c. to keep in a daily record of activity. <DD> 4. to travel (a distance or length of time), especially as indicated by the rate of speed registered by a log. Ex. One plane logged 150 hours in the sky between July 31 and August 15 (Wall Street Journal). expr. log in or on, to register, especially with a computer as an authorized operator. Ex. The user gives his password ... and the machine logs him in and reports the number of seconds used by the central processor in the exchange (Scientific American). expr. log off, to terminate one's use of a computer. Ex. Anything you can do off line should be done before you log on. If get stuck on something, don't be reluctant to log off, figure out what you're doing, and log back on (Popular Computing). expr. sleep like a log, to sleep soundly and heavily. Ex. Exhausted by the activities, he slept like a log. adj. loglike. </DL> <A NAME="log"> log (no period) or log.,<DL COMPACT><DD> logarithm. </DL> <A NAME="loganberry"> loganberry, noun, pl. -ries.<DL COMPACT><DD> 1. a large, purplish-red fruit of a bramble developed in California, from a cross between a blackberry and a red raspberry. <DD> 2. the plant it grows on. </DL> <A NAME="loganiaceous"> loganiaceous, adjective.<DL COMPACT><DD> belonging to a family of tropical and subtropical dicotyledonous plants that includes the nux vomica, buddleia, and gelsemium. </DL> <A NAME="loganstone"> logan stone,<DL COMPACT><DD> a rock so balanced on its base that it rocks to and fro readily, as under pressure of the hand or of the wind; rocking stone. </DL> <A NAME="logaoedic"> logaoedic, adjective, noun.<DL COMPACT><DD>adj. of poetry: <DD> 1. composed of meter combining dactyls and trochees, or anapests and iambs, producing a movement somewhat suggestive of prose. <DD> 2. composed of any mixture of meters. <DD>noun a logaoedic verse. </DL> <A NAME="logarithm"> logarithm, noun.<DL COMPACT><DD> (Mathematics.) <DD> 1. the power to which a fixed number or base (usually 10) must be raised in order to produce a given number. If the fixed number or base is 10, the logarithm of 1,000 is 3; the logarithm of 10,000 is 4; the logarithm of 100,000 is 5. (Abbr:) log (no period). <DD> 2. one of a system of such numbers used to shorten calculations in mathematics. </DL> <A NAME="logarithmic"> logarithmic, adjective.<DL COMPACT><DD> 1. of or having to do with a logarithm or logarithms. <DD> 2. that can be expressed in terms of a logarithm. Ex. the logarithmic function y = log x. adv. logarithmically. </DL> <A NAME="logarithmical"> logarithmical, adjective. =logarithmic.</DL> <A NAME="logbook"> logbook, noun.<DL COMPACT><DD> 1. a book in which a daily record of a ship's voyage is kept. <DD> 2. a book for records of an airplane's trip. <DD> 3. a journal of travel or of any other activity. </DL> <A NAME="logchip"> log chip,<DL COMPACT><DD> thin piece of wood of a chip log. Also, log ship. </DL> <A NAME="loge"> loge, noun.<DL COMPACT><DD> 1. a box in a theater or opera house. <DD> 2. a booth or stall, such as one at a fair. </DL> <A NAME="logganstone"> loggan stone, =logan stone.</DL> <A NAME="loggats"> loggats or loggets, noun.<DL COMPACT><DD> an old English game in which pieces of wood were thrown at a stake fixed into the ground, and the person throwing nearest to the stake won. </DL> <A NAME="logged"> logged, adjective.<DL COMPACT><DD> 1. cut into logs, as trees. <DD> 2. cleared, as land by the cutting of timber. <DD> 3. inert or unwieldly, like a log. <DD> 4. =water-logged. Ex. a logged vessel. <DD> 5. =stagnant. Ex. logged water. </DL> <A NAME="logger"> logger (1), noun.<DL COMPACT><DD> 1. a person whose work is logging; lumberjack. Ex. Rains and late snows have kept loggers out of the woods (Wall Street Journal). <DD> 2. a machine for loading or hauling logs, such as a donkey engine attached to a boom or a tractor to drag logs from the forest. <DD> 3. an electronic device that automatically records or logs physical processes and events. </DL> <A NAME="logger"> logger (2), adjective.<DL COMPACT><DD> (Dialect.) thick, heavy, or stupid. </DL> <A NAME="loggerhead"> loggerhead, noun.<DL COMPACT><DD> 1. a stupid person; blockhead. <DD> 2. Also, loggerhead turtle. a large-headed sea turtle of the tropical Atlantic and Pacific oceans. It is meat-eating. <DD> 3. an iron instrument with a long handle and a ball or bulb at the end, used, when heated in the fire, for melting pitch and for heating liquids. <DD> 4. an upright piece near the stern of a whaleboat, around which the harpoon line is passed. <DD> 5. Also, loggerhead shrike. a bluish-gray shrike of eastern North America, with a white breast, black-and-white wings and tail, and two black bars on the side of the head meeting at the forehead. expr. at loggerheads, at enmity; disputing. Ex. The politicians and the generals were at loggerheads over the advisability of ever starting the business (London Times). </DL> <A NAME="loggia"> loggia, noun, pl. loggias, (Italian,) loggie.<DL COMPACT><DD> a gallery or arcade open to the air on at least one side. (SYN) piazza. </DL> <A NAME="logging"> logging, noun.<DL COMPACT><DD> the work of cutting down trees, sawing them into logs, and moving the logs out of the forest. Ex. Paul Bunyan is a legend of American logging. </DL> <A NAME="logia"> logia, noun pl., sing. -ion.<DL COMPACT><DD> 1. the sayings or maxims attributed to a religious teacher or sage. <DD> 2. Often, Logia. the sayings of Jesus, especially those contained in collections supposed to have been among the sources of the present Gospels or those in the Agrapha, attributed to Jesus but not in the Bible. </DL> <A NAME="logic"> logic, noun, adjective.<DL COMPACT><DD>noun 1. the branch of philosophy dealing with the principles of reasoning and inference: <DD> a. the science of proof. Ex. Logic is not the science of Belief, but the science of Proof, or Evidence (John Stuart Mill). <DD> b. the science of reasoning. Ex. In the syllogism "All men are mortal, Socrates is a man, therefore Socrates is mortal," ... the conclusion is deduced correctly according to the formal laws of logic (Frederick Copleston). <DD> 2a. a particular system or theory of logic. Ex. The metaphysical logic of Hegel, the empirical logic of Mill, the formal logic of Kant (Robert Adamson). <DD> b. the science of reasoning as applied to some particular branch of knowledge or study. Ex. The logic of taste, if I may be allowed the expression (Edmund Burke). <DD> 3. a book on logic. <DD> 4a. the use of argument; reasoning. Ex. Vociferated logic kills me quite (William Cowper). She could not cope with Lancelot's quaint logic (Charles Kingsley). <DD> b. a means of convincing or proving. Ex. The logic of his argument persuaded us that he was right. <DD> 5. reason; sound sense. Ex. There is much logic in what he says. <DD> 6. the logical outcome or effect; inevitable result. Ex. The logic of events proved them wrong. <DD> 7a. the nonarithmetical operations in a computer; logical operations. <DD> b. the electronic circuitry performing such operations. Ex. The computer logic is so fast that it has to loaf at several intervals while the input and output devices--the peripherals--are printing information (New Yorker). <DD>adj. of or having to do with logical operations in a computer. Ex. logic circuits, a logic element. expr. chop logic, to exchange logical arguments and terms; bandy logic; argue. Ex. A man must not presume to use his reason, unless he has studied the categories, and can chop logic (Tobias Smollett). </DL> <A NAME="logical"> logical, adjective.<DL COMPACT><DD> 1. having to do with logic; according to the principles of logic. Ex. logical reasoning. The scientific quest is grounded in reason and logical inference from known facts (John E. Owen). <DD> 2. reasonably expected; reasonable. Ex. A failing grade was the logical result of his frequent absences from school. War was the logical consequence of these conditions. (SYN) consistent. <DD> 3. reasoning correctly or capable of reasoning correctly. Ex. a logical man, a clear and logical mind. (SYN) rational, sound. adv. logically. noun logicalness. </DL> <A NAME="logicality"> logicality, noun.<DL COMPACT><DD> the quality of being logical; logicalness. </DL> <A NAME="logicaloperations"> logical operations,<DL COMPACT><DD> the nonarithmetical operations in a computer, such as comparing, selecting, making references, matching, and sorting. </DL> <A HREF="logicalp.dic">NEXT</A>