資料來源 : Webster's Revised Unabridged Dictionary (1913)

Aura \Au"ra\, n.; pl. {Aur[ae]}. [L. aura air, akin to Gr. ?.]
   1. Any subtile, invisible emanation, effluvium, or exhalation
      from a substance, as the aroma of flowers, the odor of the
      blood, a supposed fertilizing emanation from the pollen of
      flowers, etc.

   2. (Med.) The peculiar sensation, as of a light vapor, or
      cold air, rising from the trunk or limbs towards the head,
      a premonitory symptom of epilepsy or hysterics.

   {Electric aura}, a supposed electric fluid, emanating from an
      electrified body, and forming a mass surrounding it,
      called the electric atmosphere. See {Atmosphere}, 2.

Electric \E*lec"tric\, Electrical \E*lec"tric*al\, a. [L.
   electrum amber, a mixed metal, Gr. ?; akin to ? the beaming
   sun, cf. Skr. arc to beam, shine: cf. F. ['e]lectrique. The
   name came from the production of electricity by the friction
   of amber.]
   1. Pertaining to electricity; consisting of, containing,
      derived from, or produced by, electricity; as, electric
      power or virtue; an electric jar; electric effects; an
      electric spark.

   2. Capable of occasioning the phenomena of electricity; as,
      an electric or electrical machine or substance.

   3. Electrifying; thrilling; magnetic. ``Electric Pindar.''
      --Mrs. Browning.

   {Electric atmosphere}, or {Electric aura}. See under {Aura}.
      

   {Electrical battery}. See {Battery}.

   {Electrical brush}. See under {Brush}.

   {Electric cable}. See {Telegraph cable}, under {Telegraph}.
      

   {Electric candle}. See under {Candle}.

   {Electric cat} (Zo["o]l.), one of three or more large species
      of African catfish of the genus {Malapterurus} (esp. {M.
      electricus} of the Nile). They have a large electrical
      organ and are able to give powerful shocks; -- called also
      {sheathfish}.

   {Electric clock}. See under {Clock}, and see
      {Electro-chronograph}.

   {Electric current}, a current or stream of electricity
      traversing a closed circuit formed of conducting
      substances, or passing by means of conductors from one
      body to another which is in a different electrical state.
      

   {Electric, or Electrical}, {eel} (Zo["o]l.), a South American
      eel-like fresh-water fish of the genus {Gymnotus} ({G.
      electricus}), from two to five feet in length, capable of
      giving a violent electric shock. See {Gymnotus}.

   {Electrical fish} (Zo["o]l.), any fish which has an
      electrical organ by means of which it can give an
      electrical shock. The best known kinds are the torpedo,
      the gymnotus, or electrical eel, and the electric cat. See
      {Torpedo}, and {Gymnotus}.

   {Electric fluid}, the supposed matter of electricity;
      lightning.

   {Electrical image} (Elec.), a collection of electrical points
      regarded as forming, by an analogy with optical phenomena,
      an image of certain other electrical points, and used in
      the solution of electrical problems. --Sir W. Thomson.

   {Electrical light}, the light produced by a current of
      electricity which in passing through a resisting medium
      heats it to incandescence or burns it. See under {Carbon}.
      

   {Electric, or Electrical}, {machine}, an apparatus for
      generating, collecting, or exciting, electricity, as by
      friction.

   {Electric motor}. See {Electro-motor}, 2.

   {Electric osmose}. (Physics) See under {Osmose}.

   {Electric pen}, a hand pen for making perforated stencils for
      multiplying writings. It has a puncturing needle driven at
      great speed by a very small magneto-electric engine on the
      penhandle.

   {Electric railway}, a railway in which the machinery for
      moving the cars is driven by an electric current.

   {Electric ray} (Zo["o]l.), the torpedo.

   {Electric telegraph}. See {Telegraph}.