<B>magnetoelectric, </B>adjective.<DL COMPACT><DD> of or characterized by electricity produced by magnets. <BR> <I>Ex. A magneto is a magnetoelectric generator.</I> </DL>
<A NAME="magnetoelectricity">
<B>magnetoelectricity, </B>noun.<DL COMPACT><DD><B> 1. </B>electricity produced by the action of magnets. <DD><B> 2. </B>the science dealing with electricity and magnetism. </DL>
<B>magnetogram, </B>noun.<DL COMPACT><DD> the record made by a magnetograph. </DL>
<A NAME="magnetograph">
<B>magnetograph, </B>noun.<DL COMPACT><DD> a device consisting of three variometers and a recording mechanism, used for detecting variations in the direction and intensity of magnetic fields. </DL>
<A NAME="magnetohydrodynamic">
<B>magnetohydrodynamic, </B>adjective.<DL COMPACT><DD> of or having to do with magneto-hydrodynamics. <BR> <I>Ex. magnetohydrodynamic insulation.</I> </DL>
<B>magnetohydrodynamics, </B>noun.<DL COMPACT><DD> the study of the interaction of magnetic fields and electrically conducting liquids and gases, such as the highly ionized airflow about a spacecraft on reentry into the atmosphere. (Abbr:) MHD (no periods). </DL>
<A NAME="magnetometer">
<B>magnetometer, </B>noun.<DL COMPACT><DD> an instrument for measuring the intensity and direction of magnetic forces. </DL>
<A NAME="magnetometry">
<B>magnetometry, </B>noun.<DL COMPACT><DD> the measurement of magnetic forces with a magnetometer. </DL>
<A NAME="magnetomotive">
<B>magnetomotive, </B>adjective.<DL COMPACT><DD> producing magnetic effects; having to do with the production of such effects. </DL>
<A NAME="magnetomotiveforce">
<B>magnetomotive force,</B><DL COMPACT><DD><B> 1. </B>magnetizing force or influence which produces a magnetic flux through a magnetic circuit, analogous to the electromotive force which produces an electric current or flux in an electric circuit; the quantity which, divided by the magnetic reluctance, or resistance, gives the intensity of magnetization. It is equal to the work necessary to move a magnetic pole of unit strength around a closed path of magnetic flux. <DD><B> 2. </B>the force required to produce magnetic flux in a magnetic circuit, measured in gilberts. </DL>
<A NAME="magneton">
<B>magneton, </B>noun.<DL COMPACT><DD> (Physics.) <DD><B> 1. </B>the unit of magnetic moment. <DD><B> 2. </B>a theoretical ultimate magnetic particle. <DD><B> 3. </B>(Obsolete.) an electron moving in a circle with the velocity of light. </DL>
<A NAME="magnetooptic">
<B>magnetooptic, </B>adjective.<DL COMPACT><DD> of or having to do with magnetooptics. </DL>
<B>magnetooptics, </B>noun.<DL COMPACT><DD> that branch of physics which deals with the influence of a magnet upon light. </DL>
<A NAME="magnetopause">
<B>magnetopause, </B>noun.<DL COMPACT><DD> the upper limits of the magnetosphere. </DL>
<A NAME="magnetoplasmadynamic">
<B>magnetoplasmadynamic, </B>adjective.<DL COMPACT><DD> using highly ionized gas in magnetic fields to generate power. <BR> <I>Ex. a magnetoplasmadynamic spacecraft engine.</I> </DL>
<A NAME="magnetoresistance">
<B>magnetoresistance, </B>noun.<DL COMPACT><DD> a change in the electrical resistance of a metal with the increase or decrease of the strength of a magnetic field applied to it. </DL>
<A NAME="magnetosheath">
<B>magnetosheath, </B>noun.<DL COMPACT><DD> a thin region surrounding the magnetosphere of a heavenly body. It acts like an elastic medium transmitting the kinetic pressure of the solar wind onto the planet's magnetic field. <BR> <I>Ex. The spacecraft left the tumultuous magnetosheath and entered the magnetosphere proper, the main body of the planet's magnetic field (Science News).</I> </DL>
<A NAME="magnetosphere">
<B>magnetosphere, </B>noun.<DL COMPACT><DD><B> 1. </B>a zone of strong magnetic forces that surrounds the earth and extends outward about 40,000 miles, trapping within the earth's magnetic field electrons, protons, and other particles radiating from outer space. The Van Allen radiation belts are part of the magnetosphere. <BR> <I>Ex. The moon, unlike the earth, is not protected from the solar wind--it has no magnetic field and, therefore, no shielding magnetosphere (Science News).</I> <DD><B> 2. </B>any similar zone around a heavenly body. <BR> <I>Ex. If the pulsars are magnetic neutron stars spinning in a vacuum ... such a star must have a magnetosphere, a plasma-filled region surrounding the star (Jeremiah P. Ostriker).</I> </DL>
<A NAME="magnetospheric">
<B>magnetospheric, </B>adjective.<DL COMPACT><DD> of, having to do with, or characteristic of the magnetosphere. </DL>
<A NAME="magnetostriction">
<B>magnetostriction, </B>noun.<DL COMPACT><DD><B> 1. </B>a change in the dimensions of a ferromagnetic substance when subjected to an intense magnetic field (especially characteristic of nickel). <DD><B> 2. </B>a change in the magnetic properties of a body subjected to mechanical stress. </DL>
<A NAME="magnetostrictive">
<B>magnetostrictive, </B>adjective.<DL COMPACT><DD> of, having to do with, or utilizing magnetostriction. </DL>
<B>magnetotaxis, </B>noun.<DL COMPACT><DD> movement of an organism in response to a magnetic field. <BR> <I>Ex. Magnetotactic bacteria prefer to live where there is very little or no oxygen. Magnetotaxis might direct the bacteria downward, to the oxygen-poor sediments (Jerald C. Ensign).</I> </DL>
<A NAME="magnetotelluric">
<B>magnetotelluric, </B>adjective.<DL COMPACT><DD> of or having to do with the magnetic areas of the earth. </DL>
<A NAME="magnetron">
<B>magnetron, </B>noun.<DL COMPACT><DD> a vacuum tube in which the flow of electrons from the heated cathode to the anode is regulated by an external magnetic field. It is used to produce microwaves. </DL>
<A NAME="magnetschool">
<B>magnet school,</B><DL COMPACT><DD> (U.S.) a large, central school with a broad curriculum, designed to attract students from small neighborhood or district schools. </DL>
<A NAME="magnicide">
<B>magnicide, </B>noun.<DL COMPACT><DD> the killing of an important person, especially a ruler or leader. </DL>
<B>Magnificat, </B>noun.<DL COMPACT><DD><B> 1. </B>the hymn of the Virgin Mary, beginning <I>Magnificat anima mea Dominum</I> ("My soul doth magnify the Lord"), used as a canticle at evensong or vespers (in the Bible, Luke 1:46-55). <DD><B> 2. </B>music for this hymn. </DL>
<A NAME="magnification">
<B>magnification, </B>noun.<DL COMPACT><DD><B> 1. </B>the act of magnifying. <DD><B> 2. </B>magnified condition. <DD><B> 3. </B>the power to magnify. <DD><B> 4. </B>a magnified copy, model, or picture. </DL>
<A NAME="magnificence">
<B>magnificence, </B>noun.<DL COMPACT><DD> richness of material, color, and ornament; grand beauty; splendor. <BR> <I>Ex. We were dazzled by the magnificence of the mountain scenery.</I> (SYN) majesty. </DL>
<A NAME="magnificent">
<B>magnificent, </B>adjective.<DL COMPACT><DD><B> 1. </B>richly colored or decorated; making a splendid appearance; grand; stately. <BR> <I>Ex. the magnificent palace of a king, the magnificent jewels of a queen, a magnificent spectacle.</I> <DD><B> 2. </B>impressive; noble; exalted. <BR> <I>Ex. magnificent words, magnificent ideas.</I> <DD><B> 3. </B>extraordinarily fine; superb. <BR> <I>Ex. a magnificent view of the mountains.</I> <BR><I>expr. <B>the Magnificent,</B> </I>a title of certain historic persons. <BR> <I>Ex. Lorenzo the Magnificent was the greatest of the Medicis.</I> adv. <B>magnificently.</B> </DL>
<A NAME="magnifico">
<B>magnifico, </B>noun, pl. <B>-coes.</B><DL COMPACT><DD><B> 1. </B>a Venetian nobleman. <BR> <I>Ex. The duke himself, and the magnificoes of greatest port (Shakespeare).</I> <DD><B> 2. </B>a person in an exalted position or one of great importance. <BR> <I>Ex. Rockingham, a virtuous magnifico, ... resolved to revive something of the pristine purity ... of the old Whig connection (Benjamin Disraeli).</I> </DL>
<A NAME="magnifier">
<B>magnifier, </B>noun.<DL COMPACT><DD><B> 1. </B>one that magnifies. <DD><B> 2. </B>a lens that magnifies things; magnifying glass. <DD><B> 3. </B>a small eyepiece attached to a camera to permit examination of the sharpness of focus of the image seen in the viewfinder. </DL>
<A NAME="magnify">
<B>magnify, </B>verb, <B>-fied,</B> <B>-fying.</B><DL COMPACT><DD><I>v.t. </I> <B>1a. </B>to cause to look larger than the real size. <BR> <I>Ex. A microscope magnifies bacteria so that they can be seen and studied.</I> (SYN) enlarge, amplify. <DD><B> b. </B>(Figurative.) to make too much of; go beyond the truth in telling. <BR> <I>Ex. She not only tells tales on her brother, but she magnifies them. My wife ... used every art to magnify the merit of her daughter (Oliver Goldsmith).</I> (SYN) exaggerate, overstate. <DD><B> 2. </B>(Archaic.) to praise highly; glorify; extol. <BR> <I>Ex. My soul doth magnify the Lord (Luke 1:46). When the high heart we magnify ... Ourselves are great (John Drinkwater).</I> <DD><I>v.i. </I> to increase the apparent size of an object. </DL>
<A NAME="magnifyingglass">
<B>magnifying glass,</B><DL COMPACT><DD> a lens or combination of lenses that causes things to look larger than they really are. </DL>
<A NAME="magnifyingpower">
<B>magnifying power,</B><DL COMPACT><DD><B> 1. </B>the ratio of the size of an image when viewed through an optical instrument to the size of the object when seen with the unaided eye. <DD><B> 2. </B>the ratio of the focal length of the objective to that of the eyepiece in a telescope. </DL>
