metalliferous 
Producing or yielding metal : as, metalliferous 
deposits or veins; a metalliferous district. 
metalliform (me-tal'i-f6rni), a. [= F. metalli- 
forme; < L. metallum, a metal, + forma, form.] 
Having the form or properties of metal ; like 
metal. 
metallify (me-tal'i-fi), v. t. ; pret. and pp. me- 
tallificd, ppr. metallifying . [< metal + -i-fy.] To 
convert into metal. 
The Augustin processof silver extraction is only apecu- 
liar mode of melalUfying and collecting the silver ui an 
ore after it has been by some preliminary operation con- 
verted into chloride or sulphate. Encyc. Brit., XXII. 70. 
metallikon (me-tal'i-kon), . [< Gr. n^raKkinini, 
neut. of fieTahMKOS, of metal, metallic : see me- 
tallic.] An English architectural surface-deco- 
ration, consisting of glass plates on which are 
cemented ornaments of glass, terra-cotta, etc. 
metalline (met'al-in), a. [= F. metallin = It. 
metallino; as metal + -me 1 .] Of a metallic na- 
ture or quality; consisting of or like metal; con- 
taining metal : as, metalline water. 
The quicksilver . . . [was] by this means brought to 
appear a very close and lovely metalline cylinder, not in- 
terrupted by interspersed bubbles as before. 
Boyle, Works, I. 49. 
metalling, . See metaling. 
metallist, metalist (met'al-ist), n. [< metal (L. 
metallum) + -ist.~\ 1. A worker in metals, or 
one skilled in the knowledge of metals. 
The skilful metallist, that flndeth and reflneth those 
precious veines for publike use, is rewarded, is honoured. 
Bp. Hall, Epistles, T. 7. 
2. An advocate of the use of metal (silver or 
gold) as currency. Compare bimetallist, mono- 
metallist. 
Perhaps for this reason he has recently reaped a golden 
harvest by carrying out the principles of the silver metal- 
lists. Science, VIII. 75. 
metallization (mefal-i-za'shpn), n. [= F. me- 
tallisation = Sf.metalizacion = Pg. metallizaqao ; 
as metallize + -ation.~] The act or process of 
metallizing, or forming or transforming into a 
metal. Also spelled metallisation Metalliza- 
tion of wood, the impregnation of wood with an inor- 
ganic substance, by which the pores become so completely 
filled that the wood acquires, to a certain extent, the quali- 
ties of a mineral. 
metallize (met'al-Iz), v. t. ; pret. and pp. met- 
allized, ppr. metallizing. [= F. metalliser = Sp. 
metalizar = Pg. metallizar; as metal + -4ze.~\ To 
form or transform into metal; render metallic. 
Also spelled metallise Metallized glass. See glass. 
metallochrome (me-tal'o-krom), n. [< Gr. /jf- 
TcMwv, a metal, + A'P"/" 2 ? color.] A beautiful 
prismatic tinting imparted by electrolytic action 
to polished steel plates by depositing on them 
a thin film of oxid of lead. 
metallochromy (met'a-lo-kro'mi), n, [As me- 
tallochrome + -i/ 3 .] The art or process of color- 
ing metals. 
Metallo-chromy is used to producedecorative effects upon 
objects of copper, tombac, and brass, previously treated to 
a thin electro-gilding. 
W. H. WaM, Galvanoplastic Manipulations, p. 407. 
metallographic (mefa-lo-graf 'ik), a. [< met- 
allograph-y + -ic.] Of or pertaining to metal- 
lography. 
metallographist (met-a-log'ra-fist), n. [< met- 
allography + -ist.~\ A writer on metallography. 
metallography (met-a-log'ra-fi), n. [= F. me- 
tallograpliie = Sp. metalografia = Pg. metallo- 
graphia, < Gr. psraUov, a metal, + -ypaifiia, < 
ypafyeiv, write.] 1. An account of metals, or a 
treatise on metallic substances ; the science of 
metals. 2. A process of decorating metals. 
It consists of a simple system of printing from wooden 
blocks in acids, in such manner as to produce an imitation 
of the grain of the wood. 
3. A method of engraving, allied to lithography, 
in which metallic plates are substituted for 
stones. 
metalloid (met'a-loid), a. and n. [= F. metal- 
lofde; < Gr. /jera'A/lov, metal, + clSof, form.] I. 
a. Relating to metalloids; like metal; having 
the form or appearance of a metal. 
II. n. In chem., a term which has been vari- 
ously applied : as, (a) to the metallic bases of 
the fixed alkalis and alkaline earths, probably 
in consequence of their low specific gravity; 
and (6) to all the non-metallic elementary sub- 
stances. In the latter sense it is now used by chemists. 
The metalloids are thirteen in number : oxygen, hydrogen, 
nitrogen, carbon, chlorin, bromine, iodine, fiuorin, sulphur, 
selenium, phosphorus, boron, and silicon. The distinction 
between a metal and a metalloid is, however, purely arti- 
ficial, being based on physical rather than chemical cri- 
teria ; but, broadly, a metal may be said to differ from a 
metalloid in being an excellent conductor of heat and 
electricity, in reflecting light more or less powerfully, 
and in being electropositive. Though a metalloid may 
possess one or more of these characters, it will not be 
3732 
found to unite them all. Berzelius, in his classification, 
restricts the term metalloid to the inflammable non- 
metallic elements sulphur, phosphorus, carbon, and bo- 
ron. See element, 3, and metal, 1. 
metalloidal (met-a-loi'dal), a. [< metalloid + 
-al.] Of or pertaining to a metalloid or met- 
alloids ; of the nature of a metalloid. 
Long heat-waves in their action upon metalloidal mole- 
cules only produce bands and fluted spaces. 
J. N. Lockyer, Spect. Anal., p. 175. 
metallophone (me-tal'o-fon), n. [< Gr. i^ 
Aov, a metal, + favf/, a sound.] 1. A piano- 
forte with graduated metal bars instead of 
strings. 2. An instrument like the xylophone, 
but with metallic instead of wooden bars. 
nietalloplastic (mefa-lo-plas'tik), a. [< Gr. 
/itr<z//W, metal, + irAaaaeiv, mold, form.] Per- 
taining to the arts of depositing metals or ob- 
taining metal casts by either electric or chemi- 
cal methods. 
metalloscopic (met"a-lo-skop'ik), a. [< met- 
alloscop-y + -ic.] Oil or pertaining to metal- 
loscopy. 
Metal[l]08copic phenomena are most analogous to those 
here described. Amer. Jour. Psychol., I. 603. 
metalloscopy (met'a-lo-sk6"pi), n. [< Gr. fit- 
TahAov, metal, + atumelv, view.] The art of de- 
termining by external application what metals 
or metallic substances act most easily and 
favorably upon a given person. BucUs Hand- 
look ofMed. Sciences, IV. 749. 
metallotherapeutic(met"a-lo-ther-a-pu'tik),a. 
Pertaining to metallotherapy. 
metallotherapy (mefa-lo-ther'a-pi), n. [< Gr. 
//era/i/W, metal, + depaHeia, medical treatment.] 
The treatment of disease by the external appli- 
cation of metals. First formulated as a system by 
Burq in 1848, and hence often called Burqism, it has 
been recently revived by Charcot Simple disks of various 
metals are employed in contact with the external parts of 
the body, from which different therapeutic results are 
claimed. Other observers assert that all the phenomena 
described as following the application of metals may be 
produced by disks of wood, and that whatever curative 
results are attained are due to mental effects, rather than 
to any special virtues emanating from the metals them- 
selves. 
metallurgic (met-a-ler'jik), a. [= F. metattur- 
gique = Sp. metaturgico = Pg. metallurgico, < 
NL. metallurgicus.<. metallurgia, metallurgy: 
see metallurgy.'] Pertaining to metallurgy, or 
the art of working metals Metallurgic chemis- 
try, that part of chemistry which teaches the combina- 
tions and analyses of metals. 
metallurgical (met-a-ler'ji-kal), a. [< metal- 
lurgic + -al.] Belating to or connected with 
metallurgy ; belonging to the working of met- 
als : as, metallurgical investigations or pursuits. 
metallurgically (met-a-ler'ji-kal-i), adv. By 
metallurgical methods; as regards metallurgy. 
metallurgist (met'al-er-jist), n. [= F. metallur- 
giste = Sp. metalurgista = Pg. metallurgista; as 
metallurg-y + -ist.] One who is versed in the 
science of metallurgy ; one who scientifically 
studies the operations of the smelter. 
metallurgy (met'al-er-ji), . [= F. metallurgie 
= Sp. metalurgia"= Pg. It. metallurgia, < NL. 
metallurgia, < Gr. [icTaA'Aovpy6f, working metals, 
a miner, < phaUav, a mine (metal), + Ipyw, 
work.] The science of smelting. In smelting, the 
metals are separated by known methods from the mineral- 
izing substances with which, with few exceptions, they 
naturally occur combined. Thus, the common ore of lead 
is galena, a combination of sulphur with that metal. The 
smelter treats this combination in the furnace, and the re- 
sult is metallic lead. The treatment of some ores is simple 
and easy ; that of others is difficult and complex. Smelt- 
ing implies the use of fire, or separation of the metal in 
the dry ivay, but processes carried on in the humid way 
are notnnfrequently employed in the treatment of metal- 
liferous ores. This is not ordinarily called smelting, but 
metallurgical treatment. The ores of many mining re- 
gions are treated at or near the place where they are mined, 
but it is not at all uncommon for ores to be carried to a 
great distance to be smelted. Thus, until within a few 
years, a large part of the copper used in the world was 
smelted at Swansea, in Wales, from ores brought from va- 
rious countries, metallurgical skill and the command of 
cheap fuel making it desirable to have the ore treated there 
rather than at the place where it was mined. Abbreviated 
metal. 
metalmant (met'al-man), n. [< metal + man.'] 
A worker in metals ; a coppersmith or tinman. 
A smith, or a metalman, the pot 's never from his nose. 
Burton, Anat. of Mel., p. 110. 
metalogic (met-a-loj'ik), n. [< Gr. pera, after, 
+ E. logic."] The part of metaphysics which 
concerns logic. 
metalogical (met-a-loj'i-kal), a. [As metalogic 
+ -al.] Beyond the province of logic; tran- 
scending the sphere of logic. 
metal-plane (met'al-plan), n. A form of plane 
used to face soft metal plates by taking fine 
shavings from them. The angle 'of the cutter 
metamorphism 
with the sole is adapted to the hardness of the 
metal to be worked. 
metal-saw (met'al-sa), . A hard steel saw with 
fine teeth, stretched in a frame and used for 
sawing metal. 
metal-wheel (met'al-hwel), n. In grinding and 
polishing, a lap. 
metal-work (met'al-werk), n. Work, especially 
artistic work, in metal. 
metamathematics (met-a-math-e-mat'iks), n. 
[< Gr. //era, after, + /^afh/fiariKd, mathematics.] 
The metaphysics of mathematics ; the philoso- 
phy of non-Euclidean geometry and the like. 
metamer (met'a-mer), n. [See metamere.'] A 
compound which is metameric, or exhibits the 
property of metamerism. 
The two methyl and ethyl metamen seem distinguish- 
able. PhUoe. Uag., XXV. 235. 
metamera, . Plural of metameron. 
metameral (met'a-me-ral), a. [< metamere + 
-al.~\ 1. Pertaining to or comprising meta- 
meres; having correspondence or agreement 
between parts. 2. In zool., same as metameric. 
metamere (met'a-mer), n. [Also metameron; < 
Gr. fiera, after, 4- fiepos, a part.] In zool., one 
of a longitudinal series of parts which are 
serially homologous with one another. See 
metameric, metamerism. The construction of bilat- 
erally symmetrical bodies by metamerism is common 
and usual in the animal kingdom, and is exhibited in 
such diversity of details that metameres have received 
several different names. The most general name is seg- 
ment; but, since several morphologically distinct meta- 
meres may coalesce in one segment, the stricter term for 
an individual metamere, such as each morphological seg- 
ment or ring of an annelid, crustacean, insect, or other 
articulate animal, is somite or arthromere. A morpho- 
logical metamere of a vertebrate has been called a diar- 
thromere. Compare actinomere and antimere. Ambula- 
cra! metameres. See ambnlacral. 
metameric (met-a-mer'ik), a. [As metamere 
+ -ic.] 1. In chem., pertaining to or charac- 
terized by metamerism. 2. In soiil., of or per- 
taining to a metamere or metamerism ; being 
a metamere, or resulting from metamerism; 
situated in the long axis of the body as one of 
a longitudinal series of like parts ; segmental ; 
somitic. 
metamerically (met-a-mer'i-kal-i), adv. So as 
to be metameric ; in or by way of metamerism ; 
as a metamere. 
metamerism (met'a-me-rizm), n. [As meta- 
mere + -ism.] 1. In chem., a form of isomer- 
ism, that property of certain compound bodies 
by which they have the same chemical elements 
combined in the same proportion and with the 
same molecular weight, while differingin chemi- 
cal properties. Thus, aldehyde and ethylene oxid have 
their elements in the same proportion, Ctfl t O, and the 
same molecular weight, 44, but are very different in their 
chemical properties. Two metameric bodies do not, how- 
ever, belong to the same class or series of compounds. See 
isomerism, polymerism. 
2. In zool., a metameric condition; the state 
of being metameric ; segmentation of the body 
of an animal along the primary or longitudinal 
axis, resulting in a series of more or less simi- 
lar consecutive parts which are serially homol- 
ogous. See metamere, antimere. 
metamerization (met-a-mer-i-za'shon), n. [< 
metamerize + -ation.] Civision into metameres. 
A very regular internal metamerizaiian. 
Encyc. Brit., XVII. 828. 
metamerize (met'a-me-riz), v. t. ; pret. and pp. 
metamerized, ppr. meiamerizing. [< metamere 
+ -ize."] To make metamerous; divide into 
metameres. 
Although the vertebrate body is a metameric one, this 
archinephric duct is not a metamerized organ. 
Gegenbaur, Comp. Anat. (trans.), p. 602. 
metameron (me-tam'e-ron), .; pi. metamera 
(-ra). [NL.: see metamere.] Same as metamere. 
metamerous (met'a-mer-us), a. [As metamere 
+ -ous.] Same as metameral and metameric, 2. 
A.A. W.Hubrecht,mcTos. Science, XXVII. 613. 
metamery (met'a-me-ri), n. [As metamere + 
-y s .] The condition of being metameric ; met- 
amerism. A. A. W. Hubrecht, Micros. Science, 
XXVH. 610. 
metamorphic (met-a-mor'fik), o. [= P. meta- 
morphique; as Gr. ucrd, amoug (denoting inter- 
change), + i^opifi/, form, + -ic. Of. metamorpno- 
sis.] 1. Producing metamorphosis; changing 
the form or structure ; transf orming : as, a meta- 
morphic cause or agency ; metamorphic action. 
2. Exhibiting metamorphosis or metamor- 
phism; changed in form or structure; meta- 
morphosed. Metamorphic rocks, in geol. See meta- 
morphism. 
metamorphism (met-a-mor'fizm), . [As meta- 
morph-ic + -ism.] The process of metamor- 
