<B>metallogenetic, </B>adjective.<DL COMPACT><DD> producing metals. <BR> <I>Ex. The world's chief tin fields can be resolved into a few groups, which can be conveniently termed "metallogenetic tin provinces" (W. R. Jones).</I> </DL>
<A NAME="metallograph">
<B>metallograph, </B>noun.<DL COMPACT><DD> a microscope for investigating the structure of metals and alloys. </DL>
<A NAME="metallographer">
<B>metallographer, </B>noun.<DL COMPACT><DD> an expert in metallography. </DL>
<A NAME="metallographic">
<B>metallographic, </B>adjective.<DL COMPACT><DD> of or having to do with metallography. adv. <B>metallographically.</B> </DL>
<A NAME="metallography">
<B>metallography, </B>noun.<DL COMPACT><DD><B> 1. </B>the study of metals and alloys, chiefly with the aid of a microscope. <DD><B> 2. </B>an art or process allied to lithography, in which metal plates are used. </DL>
<A NAME="metalloid">
<B>metalloid, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> Chemistry. <B>1. </B>an element having properties of both a metal and a nonmetal, such as arsenic, antimony, or silicon. <DD><B> 2. </B><B>=nonmetal.</B> <DD><I>adj. </I> <B>1. </B>of or having to do with metalloids. <DD><B> 2. </B>of the nature of or like a metalloid. <DD><B> 3. </B>having the form or appearance of a metal. </DL>
<A NAME="metallophone">
<B>metallophone, </B>noun.<DL COMPACT><DD><B> 1. </B>a musical instrument similar to the xylophone but having metal bars in place of wooden ones. <BR> <I>Ex. a troupe of Balinese dancers, accompanied by their orchestra of gongs, gong-chimes, metallophones and drums (New York Times).</I> <DD><B> 2. </B>a musical instrument similar to the piano but having metal bars rather than strings. </DL>
<A NAME="metallotherapy">
<B>metallotherapy, </B>noun.<DL COMPACT><DD> the use of metals, especially certain metallic salts, in the treatment of disease. </DL>
<B>metallurgical, </B>adjective.<DL COMPACT><DD> of or having to do with metallurgy. <BR> <I>Ex. metallurgical coal, a metallurgical engineer.</I> adv. <B>metallurgically.</B> </DL>
<A NAME="metallurgist">
<B>metallurgist, </B>noun.<DL COMPACT><DD> an expert in metallurgy. </DL>
<A NAME="metallurgy">
<B>metallurgy, </B>noun.<DL COMPACT><DD> the science or art of metals. It includes the study of their properties and structure, the separation and refining of metals from their ores, the production of alloys, and the shaping and treatment of metals by heat and rolling. <BR> <I>Ex. Metallurgy is very important in rocket building (Science News).</I> </DL>
<A NAME="metalmark">
<B>metalmark, </B>noun.<DL COMPACT><DD> any one of a family of colorful butterflies having metallike dots on their wings. </DL>
<A NAME="metalsmith">
<B>metalsmith, </B>noun.<DL COMPACT><DD> a person skilled in metalworking. </DL>
<A NAME="metalware">
<B>metalware, </B>noun.<DL COMPACT><DD> articles or utensils made of metal. </DL>
<A NAME="metalwork">
<B>metalwork, </B>noun.<DL COMPACT><DD><B> 1. </B>things, especially artistic things, made out of metal. <DD><B> 2. </B>a making things out of metal. </DL>
<A NAME="metalworker">
<B>metalworker, </B>noun.<DL COMPACT><DD> a person who makes things out of metal. </DL>
<A NAME="metalworking">
<B>metalworking, </B>noun.<DL COMPACT><DD> the act or process of making things out of metal. <BR> <I>Ex. Unitron also has companion instruments for the metalworking industries (Science).</I> </DL>
<A NAME="metamathematical">
<B>metamathematical, </B>adjective.<DL COMPACT><DD> of or having to do with metamathematics. </DL>
<A NAME="metamathematics">
<B>metamathematics, </B>noun.<DL COMPACT><DD> the branch of mathematics that deals with the logic and consistency of mathematical proof, formulas, and equations. </DL>
<A NAME="metamer">
<B>metamer, </B>noun.<DL COMPACT><DD> (Chemistry.) a compound that is metameric with another. </DL>
<A NAME="metamere">
<B>metamere, </B>noun.<DL COMPACT><DD> any of a longitudinal series of more or less similar parts or segments composing the body of various animals, such as the earthworm; somite. </DL>
<A NAME="metameric">
<B>metameric, </B>adjective.<DL COMPACT><DD><B> 1. </B>(Chemistry.) (of compounds) having the same molecular weight and the same elements combined in the same proportion but with their radicals in different positions, and hence differing in structure and chemical properties. <DD><B> 2. </B>(Zoology.) of or having to do with a metamere or metameres; segmental. <BR> <I>Ex. metameric segmentation.</I> adv. <B>metamerically.</B> </DL>
<A NAME="metamerism">
<B>metamerism, </B>noun.<DL COMPACT><DD><B> 1. </B>(Zoology.) the condition of consisting of metameres. <BR> <I>Ex. Animals exhibiting metamerism are composed of a linear series of body segments (A. Franklin Shull).</I> <DD><B> 2. </B>segmentation into metameres, typically with some repetition of organs. <DD><B> 3. </B>(Chemistry.) the state of being metameric; isomerism. </DL>
<A NAME="metamorphic">
<B>metamorphic, </B>adjective.<DL COMPACT><DD><B> 1. </B>characterized by change of form; having to do with change of form; exhibiting metamorphosis. <DD><B> 2. </B>(Geology.) changed in structure by heat, moisture, and pressure; formed by metamorphism. Slate is metamorphic rock formed from shale, a sedimentary rock. <BR> <I>Ex. Metamorphic rocks are classified by their texture and composition. Most metamorphic rocks are very old (Ernest E. Wahlstrom).</I> </DL>
<A NAME="metamorphism">
<B>metamorphism, </B>noun.<DL COMPACT><DD><B> 1. </B>change of form; metamorphosis. (SYN) transmutation. <DD><B> 2. </B>change in the structure of a rock caused by pressure, heat, and moisture, especially when the rock becomes harder and more crystalline. </DL>
<A NAME="metamorphose">
<B>metamorphose, </B>verb, <B>-phosed,</B> <B>-phosing.</B><DL COMPACT><DD><I>v.t. </I> <B>1. </B>to change in form, structure, or substance by or as if by witchcraft; transform. <BR> <I>Ex. The witch metamorphosed people into animals.</I> (SYN) transmute. <DD><B> 2. </B>to change the form or structure of by metamorphosis or metamorphism. <BR> <I>Ex. Metamorphosed sandstone is called quartzite (Ernest E. Wahlstrom).</I> <DD><I>v.i. </I> to undergo metamorphosis or metamorphism. </DL>
<A NAME="metamorphosis">
<B>metamorphosis, </B>noun, pl. <B>-ses.</B><DL COMPACT><DD><B> 1. </B>a change of form, structure, or substance. <DD><B> 2. </B>(Figurative.) a noticeable or complete change in appearance, character, circumstances, or condition. <BR> <I>Ex. His visage ... changed as from a mask to a face. ... I know not that I have ever seen in any other human face an equal metamorphosis (Charlotte Bronte).</I> <DD><B> 3. </B>a change in form, shape, or substance by or as if by witchcraft; transformation. <BR> <I>Ex. Metamorphosis is a favorite game in fairy tales: princes into swans, ogres into dragons, mice into horses, and a pumpkin into a coach.</I> <DD><B> 4. </B>the changed form resulting from any such change. <DD><B> 5. </B>a marked change in the form, and usually the habits, of an animal in its development after the embryonic stage. Tadpoles become frogs by metamorphosis; they lose their tails and grow legs. <BR> <I>Ex. It is the process of losing the larval organs and gaining the missing adult organs which is called metamorphosis (A. Franklin Shull).</I> <DD><B> 6. </B>the structural or functional modification of a plant organ or structure during the course of its development. <DD><B> 7. </B>(Physiology.) metabolism. </DL>
<A NAME="metanephric">
<B>metanephric, </B>adjective.<DL COMPACT><DD> of or having to do with the metanephros. </DL>
<A NAME="metanephros">
<B>metanephros, </B>noun.<DL COMPACT><DD> the posterior division of the primitive renal organ or kidney of vertebrate embryos, the mesonephros and pronephros being the middle and anterior divisions, respectively. The adult kidney develops from the metanephros. </DL>
<B>metaphase, </B>noun.<DL COMPACT><DD> the second stage in mitosis, characterized by the arrangement of the chromosomes along the middle of the spindle. </DL>
<A NAME="metaphloem">
<B>metaphloem, </B>noun.<DL COMPACT><DD> (Botany.) the primary phloem which is formed from the procambium after the protophloem; the last primary phloem to be developed. </DL>
<A NAME="metaphor">
<B>metaphor, </B>noun.<DL COMPACT><DD><B> 1. </B>an implied comparison between two different things; figure of speech in which a word or phrase that ordinarily means one thing is applied to another thing in order to suggest a likeness between the two. (Examples:) "a copper sky," "a heart of stone." <DD><B> 2. </B>something concrete used to represent an idea, quality, or condition; symbol. <BR> <I>Ex. "Orchestra Rehearsal," which dramatized the revolt of an orchestra against its conductor, was clearly a metaphor for the disintegration of society and a warning that the result of anarchy is dictatorial control (William Wolf).</I> <BR><I>expr. <B>mix metaphors,</B> </I>to confuse two or more metaphors in the same expression. (Example:) "He embarked early on the sea of public life, where he climbed at last to the very summit of success." </DL>
<B>metaphorical, </B>adjective.<DL COMPACT><DD> using metaphors; figurative. adv. <B>metaphorically.</B> </DL>
<A NAME="metaphorist">
<B>metaphorist, </B>noun.<DL COMPACT><DD> a person who coins or uses metaphors. </DL>
<A NAME="metaphorize">
<B>metaphorize, </B>verb, <B>-ized,</B> <B>-izing.</B><DL COMPACT><DD><I>v.i. </I> to use metaphor or metaphors; speak in or reason from metaphor. <DD><I>v.t. </I> <B>1. </B>to change metaphorically (into). <BR> <I>Ex. ... dewdrops, metaphorized into pearls (T. Twining).</I> <DD><B> 2. </B>to ply with metaphors. </DL>
<A NAME="metaphosphate">
<B>metaphosphate, </B>noun.<DL COMPACT><DD> a salt of metaphosphoric acid. </DL>
<A NAME="metaphosphoricacid">
<B>metaphosphoric acid,</B><DL COMPACT><DD> an acid obtained by treating a phosphorous oxide with water and by other methods. It contains one molecule of water less than phosphoric acid. </DL>
