Part 3055

<h1>Dextrality</h1> <Xpage=404>

<hw>Dex*tral"i*ty</hw> <tt>(?)</tt>, <tt>n.</tt> <def>The state of being on the right-hand side; also, the quality of being right-handed; right-handedness.</def>

<i>Sir T. Browne.</i>

<h1>Dextrally</h1> <Xpage=404>

<hw>Dex"tral*ly</hw> <tt>(?)</tt><def>(<?/), <i>adv</i>. Towards the right; <as>as, the hands of a watch rotate <ex>dextrally</ex></as>.</def>

<h1>Dextrer</h1> <Xpage=404>

<hw>Dex*trer"</hw> <tt>(?)</tt>, <tt>n.</tt> <def>A war horse; a destrer.</def> <mark>[Obs.]</mark> "By him baiteth his <i>dextrer</i>."

<i>Chaucer.</i>

<h1>Dextrin</h1> <Xpage=404>

<hw>Dex"trin</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>dextrine</ets>, G. <ets>dextrin</ets>. See <er>Dexter</er>.]</ety> <fld>(Chem.)</fld> <def>A translucent, gummy, amorphous substance, nearly tasteless and odorless, used as a substitute for gum, for sizing, etc., and obtained from starch by the action of heat, acids, or diastase. It is of somewhat variable composition, containing several carbohydrates which change easily to their respective varieties of sugar. It is so named from its rotating the plane of polarization to the right; -- called also <altname>British gum</altname>, <altname>Alsace gum</altname>, <altname>gommelin</altname>, <altname>leiocome</altname>, etc. See <er>Achro\'94dextrin</er>, and <er>Erythrodextrin</er>.</def>

<h1>Dextro-</h1> <Xpage=404>

<hw>Dex"tro-</hw> <tt>(?)</tt>. <def>A prefix, from L. <i>dexter</i>, meaning, pertaining to, or toward, the <i>right</i></def>; <fld>(Chem. & Opt.)</fld> <def>having the property of turning the plane of polarized light to the <i>right</i>; <as>as, <ex>dextro</ex>tartaric acid</as>.</def>

<h1>Dextrogerous</h1> <Xpage=404>

<hw>Dex*trog"er*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Physics & Chem.)</fld> <def>See <er>Dextrogyrate</er>.</def>

<h1>Dextroglucose</h1> <Xpage=404>

<hw>Dex`tro*glu"cose`</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Dextro-</ets> + <ets>glucose</ets>.]</ety> <fld>(Chem.)</fld> <def>Same as <er>Dextrose</er>.</def>

<h1>Dextrogyrate</h1> <Xpage=404>

<hw>Dex`tro*gy"rate</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Dextro-</ets> + <ets>gyrate</ets>.]</ety> <fld>(Chem. & Opt.)</fld> <def>Same as <er>Dextrorotatory</er>.</def>

<h1>Dextronic</h1> <Xpage=404>

<hw>Dex*tron"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Chem.)</fld> <def>Pertaining to, or derived from, dextrose; <as>as, <ex>dextronic</ex> acid</as>.</def>

<cs><col>Dextronic acid</col>, <cd>a sirupy substance obtained by the partial oxidation of various carbohydrates, as dextrose, etc.</cd></cs>

<h1>Dextrorotary</h1> <Xpage=404>

<hw>Dex`tro*ro"ta*ry</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Physics & Chem.)</fld> <def>See <er>Dextrotatory</er>.</def>

<h1>Dextrorotatory</h1> <Xpage=404>

<hw>Dex`tro*ro"ta*to*ry</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Dextro-</ets> + <ets>rotatory</ets>.]</ety> <fld>(Chem. & Opt.)</fld> <def>Turning, or causing to turn, toward the right hand; esp., turning the plane of polarization of luminous rays toward the right hand; <as>as, <ex>dextrorotatory</ex> crystals, sugars, etc.</as> Cf. <er>Levorotatory</er>.</def>

<h1>Dextrorsal, Dextrorse</h1> <Xpage=404>

<hw><hw>Dex*tror"sal</hw> <tt>(?)</tt>, <hw>Dex"trorse`</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <ety>[L. <ets>dextrorsum</ets>, contr. fr. <ets>dextrovorsum</ets>, <ets>dextroversum</ets>, toward the right side; <ets>dexter</ets> right + <ets>versus</ets>, <ets>vorsus</ets>, p. p. of <ets>vertere</ets>, <ets>vortere</ets>, to turn.]</ety> <def>Turning from the left to the right, in the ascending line, as in the spiral inclination of the stem of the common morning-gl\'a2ry.</def>

<note>&hand; At present scientists predicate dextrorse or sinistrorse quality of the plant regarded objectively; formerly the plant was regarded subjectively, and what is now called dextrorse was then considered sinistrorse.</note>