3. (Chem.) To separate from all foreign substances; to make pure; to
obtain in a free state.
I"so*la`ted (?), a. Placed or standing alone; detached; separated from
others.
Isolated point of a curve. (Geom.) See Acnode.
I"so*la`ted*ly (?), adv. In an isolated manner.
I`so*la"tion (-l"shn), n. [Cf. F. isolation.] The act of isolating, or
the state of being isolated; insulation; separation; loneliness.
Milman.
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I"so*la`tor ("s*l`tr or s"*l`tr), n. One who, or that which, isolates.
I*sol"o*gous (?), a. [Iso- + Gr. lo`gos proportion.] (Chem.) Having
similar proportions, similar relations, or similar differences of
composition; -- said specifically of groups or series which differ by a
constant difference; as, ethane, ethylene, and acetylene, or their
analogous compounds, form an isologous series.
I"so*mer ("s*mr), n. [See Isomeric.] (Chem.) A body or compound which
is isomeric with another body or compound; a member of an isomeric
series.
I`so*mer"ic (-mr"k), a. [Iso- + Gr. me`ros part: cf. F. isomérique.]
(Chem.) Having the same percentage composition; -- said of two or more
different substances which contain the same ingredients in the same
proportions by weight, often used with with. Specif.: (a) Polymeric; i.
e., having the same elements united in the same proportion by weight,
but with different molecular weights; as, acetylene and benzine are
isomeric (polymeric) with each other in this sense. See Polymeric. (b)
Metameric; i. e., having the same elements united in the same
proportions by weight, and with the same molecular weight, but with a
different structure or arrangement of the ultimate parts; as, ethyl
alcohol and methyl ether are isomeric (metameric) with each other in
this sense. See Metameric.