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2 definitions found
 for Marine barometer
From The Collaborative International Dictionary of English v.0.48 :

  Marine \Ma*rine"\, a. [L. marinus, fr. mare the sea: cf. F.
     marin. See Mere a pool.]
     1. Of or pertaining to the sea; having to do with the ocean,
        or with navigation or naval affairs; nautical; as, marine
        productions or bodies; marine shells; a marine engine.
        [1913 Webster]
     2. (Geol.) Formed by the action of the currents or waves of
        the sea; as, marine deposits.
        [1913 Webster]
     Marine acid (Chem.), hydrochloric acid. [Obs.]
     Marine barometer. See under Barometer.
     Marine corps, a corps formed of the officers,
        noncommissioned officers, privates, and musicants of
     Marine engine (Mech.), a steam engine for propelling a
     Marine glue. See under Glue.
     Marine insurance, insurance against the perils of the sea,
        including also risks of fire, piracy, and barratry.
     Marine interest, interest at any rate agreed on for money
        lent upon respondentia and bottomry bonds.
     Marine law. See under Law.
     Marine league, three geographical miles.
     Marine metal, an alloy of lead, antimony, and mercury, made
        for sheathing ships. --Mc Elrath.
     Marine soap, cocoanut oil soap; -- so called because, being
        quite soluble in salt water, it is much used on shipboard.
     Marine store, a store where old canvas, ropes, etc., are
        bought and sold; a junk shop. [Eng.]
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Barometer \Ba*rom"e*ter\, n. [Gr. ba`ros weight + -meter: cf. F.
     An instrument for determining the weight or pressure of the
     atmosphere, and hence for judging of the probable changes of
     weather, or for ascertaining the height of any ascent.
     [1913 Webster]
     Note: The barometer was invented by Torricelli at Florence
           about 1643. It is made in its simplest form by filling
           a graduated glass tube about 34 inches long with
           mercury and inverting it in a cup containing mercury.
           The column of mercury in the tube descends until
           balanced by the weight of the atmosphere, and its rise
           or fall under varying conditions is a measure of the
           change in the atmospheric pressure. At the sea level
           its ordinary height is about 30 inches (760
           millimeters). See Sympiesometer. --Nichol.
           [1913 Webster]
     Aneroid barometer. See Aneroid barometer, under
     Marine barometer, a barometer with tube contracted at
        bottom to prevent rapid oscillations of the mercury, and
        suspended in gimbals from an arm or support on shipboard.
     Mountain barometer, a portable mercurial barometer with
        tripod support, and long scale, for measuring heights.
     Siphon barometer, a barometer having a tube bent like a
        hook with the longer leg closed at the top. The height of
        the mercury in the longer leg shows the pressure of the
     Wheel barometer, a barometer with recurved tube, and a
        float, from which a cord passes over a pulley and moves an
        [1913 Webster] Barometric

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