Part 7026

<hw>Mi`cro*coc"cal</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Of or pertaining to micrococci; caused by micrococci.</def>

<i>Nature.</i>

<h1>Micrococcus</h1> <Xpage=921>

<hw>Mi`cro*coc"cus</hw> <tt>(?)</tt>, <tt>n.</tt>; <plu>pl. <plw>Micrococci</plw> <tt>(#)</tt></plu>. <ety>[NL. See <er>Micro-</er>, and <er>Coccus</er>.]</ety> <fld>(Biol.)</fld> <def>A genus of <spn>Spherobacteria</spn>, in the form of very small globular or oval cells, forming, by transverse division, filaments, or chains of cells, or in some cases single organisms shaped like dumb-bells (<spn>Diplococcus</spn>), all without the power of motion. See <i>Illust</i>. of <er>Ascoccus</er>.</def>

<note>&hand; Physiologically, micrococci are divided into three groups; <i>chromogenic</i>, characterized by their power of forming pigment; <i>zymogenic</i>, including those associated with definite chemical processes; and <i>pathogenic</i>, those connected with disease.</note>

<h1>Microcosm</h1> <Xpage=921>

<hw>Mi"cro*cosm</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[F. <ets>microcosme</ets>, L. <ets>microcosmus</ets>, fr. Gr. <?/ small + <?/ the world.]</ety> <def>A little world; a miniature universe. Hence (so called by Paracelsus), a man, as a supposed epitome of the exterior universe or great world. Opposed to <i>macrocosm</i>.</def>

<i>Shak.</i>

<h1>Microcosmic, Microcosmical</h1> <Xpage=921>

<hw><hw>Mi`cro*cos"mic</hw> <tt>(?)</tt>, <hw>Mi`cro*cos"mic*al</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <ety>[Cf. F. <ets>microcosmique</ets>.]</ety> <def>Of or pertaining to the microcosm.</def>

<cs><col>Microcosmic salt</col> <fld>(Chem.)</fld>, <cd>a white crystalline substance obtained by mixing solutions of sodium phosphate and ammonium phosphate, and also called <i>hydric-sodic-ammonic-phosphate<i>. It is a powerful flux, and is used as a substitute for borax as a blowpipe reagent in testing for the metallic oxides. Originally obtained by the alchemists from human urine, and called <i>sal microcosmicum<i>.</cd></cs>

<h1>Microcosmography</h1> <Xpage=921>

<hw>Mi`cro*cos*mog"ra*phy</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Microcosm</ets> + <ets>-graphy</ets>.]</ety> <def>Description of man as a microcosm.</def>

<h1>Microcoulomb</h1> <Xpage=921>

<hw>Mi`cro*cou`lomb"</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Micro-</ets> + <ets>coulomb</ets>.]</ety> <fld>(Elec.)</fld> <def>A measure of electrical quantity; the millionth part of one coulomb.</def>

<h1>Microcoustic</h1> <Xpage=921>

<hw>Mi`cro*cous"tic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Micro-</ets> + <ets>acoustic</ets>: cf. F. <ets>microcoustique</ets>, <ets>micracoustique</ets>.]</ety> <def>Pertaining, or suited, to the audition of small sounds; fitted to assist hearing.</def>

<h1>Microcoustic</h1> <Xpage=921>

<hw>Mi`cro*cous"tic</hw>, <tt>n.</tt> <def>An instrument for making faint sounds audible, as to a partially deaf person.</def>

<h1>Microcrith</h1> <Xpage=921>

<hw>Mi`cro*crith"</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Micro-</ets> + <ets>crith</ets>.]</ety> <fld>(Chem.)</fld> <def>The weight of the half hydrogen molecule, or of the hydrogen atom, taken as the standard in comparing the atomic weights of the elements; <as>thus, an atom of oxygen weighs sixteen <ex>microcriths</ex>. See <er>Crith</er></as>.</def>

<i>J. P. Cooke.</i>

<h1>Microcrystalline</h1> <Xpage=921>

<hw>Mi`cro*crys"tal*line</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Micro-</ets> + <ets>crystalline</ets>.]</ety> <fld>(Crystallog.)</fld> <def>Crystalline on a fine, or microscopic, scale; consisting of fine crystals; <as>as, the ground mass of certain porphyrics is <ex>microcrystalline</ex></as>.</def>

<h1>Microcyte</h1> <Xpage=921>

<hw>Mi"cro*cyte</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Micro-</ets> + Gr. <?/ a hollow vessel.]</ety> <fld>(Physiol.)</fld> <def>One of the elementary granules found in blood. They are much smaller than an ordinary corpuscle, and are particularly noticeable in disease, as in an\'91mia.</def>

<h1>Microdont</h1> <Xpage=921>

<hw>Mic"ro*dont</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Micr-</ets> + Gr. <?/, <?/, a tooth.]</ety> <fld>(Anat.)</fld> <def>Having small teeth.</def>