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2 definitions found
 for Compound ether
From The Collaborative International Dictionary of English v.0.48 :

  Compound \Com"pound\, a. [OE. compouned, p. p. of compounen. See
     Compound, v. t.]
     Composed of two or more elements, ingredients, parts;
     produced by the union of several ingredients, parts, or
     things; composite; as, a compound word.
     [1913 Webster]
           Compound substances are made up of two or more simple
           substances.                              --I. Watts.
     [1913 Webster]
     Compound addition, subtraction, multiplication,
     division (Arith.), the addition, subtraction, etc., of
        compound numbers.
     Compound crystal (Crystallog.), a twin crystal, or one
        seeming to be made up of two or more crystals combined
        according to regular laws of composition.
     Compound engine (Mech.), a form of steam engine in which
        the steam that has been used in a high-pressure cylinder
        is made to do further service in a larger low-pressure
        cylinder, sometimes in several larger cylinders,
     Compound ether. (Chem.) See under Ether.
     Compound flower (Bot.), a flower head resembling a single
        flower, but really composed of several florets inclosed in
        a common calyxlike involucre, as the sunflower or
     Compound fraction. (Math.) See Fraction.
     Compound fracture. See Fracture.
     Compound householder, a householder who compounds or
        arranges with his landlord that his rates shall be
        included in his rents. [Eng.]
     Compound interest. See Interest.
     Compound larceny. (Law) See Larceny.
     Compound leaf (Bot.), a leaf having two or more separate
        blades or leaflets on a common leafstalk.
     Compound microscope. See Microscope.
     Compound motion. See Motion.
     Compound number (Math.), one constructed according to a
        varying scale of denomination; as, 3 cwt., 1 qr., 5 lb.;
        -- called also denominate number.
     Compound pier (Arch.), a clustered column.
     Compound quantity (Alg.), a quantity composed of two or
        more simple quantities or terms, connected by the sign +
        (plus) or - (minus). Thus, a + b - c, and bb - b, are
        compound quantities.
     Compound radical. (Chem.) See Radical.
     Compound ratio (Math.), the product of two or more ratios;
        thus ab:cd is a ratio compounded of the simple ratios a:c
        and b:d.
     Compound rest (Mech.), the tool carriage of an engine
     Compound screw (Mech.), a screw having on the same axis two
        or more screws with different pitch (a differential
        screw), or running in different directions (a right and
        left screw).
     Compound time (Mus.), that in which two or more simple
        measures are combined in one; as, 6-8 time is the joining
        of two measures of 3-8 time.
     Compound word, a word composed of two or more words;
        specifically, two or more words joined together by a
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Ether \E"ther\ ([=e]"th[~e]r), n. [L. aether, Gr. a'iqh`r, fr.
     a'i`qein to light up, kindle, burn, blaze; akin to Skr. idh,
     indh, and prob. to E. idle: cf. F. ['e]ther.] [Written also
     1. (Physics) A medium of great elasticity and extreme
        tenuity, once supposed to pervade all space, the interior
        of solid bodies not excepted, and to be the medium of
        transmission of light and heat; hence often called
        luminiferous ether. It is no longer believed that such a
        medium is required for the transmission of electromagnetic
        waves; the modern use of the term is mostly a figurative
        term for empty space, or for literary effect, and not
        intended to imply the actual existence of a physical
        medium. However. modern cosmological theories based on
        quantum field theory do not rule out the possibility that
        the inherent energy of the vacuum is greater than zero, in
        which case the concept of an ether pervading the vacuum
        may have more than metaphoric meaning.
        [1913 Webster +PJC]
     2. Supposed matter above the air; the air itself.
        [1913 Webster]
     3. (Chem.)
        (a) A light, volatile, mobile, inflammable liquid,
            (C2H5)2O, of a characteristic aromatic odor,
            obtained by the distillation of alcohol with sulphuric
            acid, and hence called also sulphuric ether. It is a
            powerful solvent of fats, resins, and pyroxylin, but
            finds its chief use as an an[ae]sthetic. Commonly
            called ethyl ether to distinguish it from other
            ethers, and also ethyl oxide.
        (b) Any similar compound in which an oxygen atom is bound
            to two different carbon atoms, each of which is part
            of an organic radical; as, amyl ether; valeric ether;
            methyl ethyl ether. The general formular for an ether
            is ROR', in which R and R' are organic radicals
            which may be of similar or different structure. If R
            and R' are different parts of the same organic
            radical, the structure forms a cyclic ether.
            [1913 Webster +PJC]
     Complex ether, Mixed ether (Chem.), an ether in which the
        ether oxygen is attached to two radicals having different
        structures; as, ethyl methyl ether, C2H5.O.CH3.
     Compound ether (Chem.), an ethereal salt or a salt of some
        hydrocarbon as the base; an ester.
     Ether engine (Mach.), a condensing engine like a steam
        engine, but operated by the vapor of ether instead of by
        [1913 Webster]

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