资料来源 : Webster's Revised Unabridged Dictionary (1913)

Rate \Rate\, v. t. [imp. & p. p. {Rated}; p. pr. & vb. n.
   {Rating}.]
   1. To set a certain estimate on; to value at a certain price
      or degree.

            To rate a man by the nature of his companions is a
            rule frequent indeed, but not infallible. --South.

            You seem not high enough your joys to rate.
                                                  --Dryden.

   2. To assess for the payment of a rate or tax.

   3. To settle the relative scale, rank, position, amount,
      value, or quality of; as, to rate a ship; to rate a
      seaman; to rate a pension.

   4. To ratify. [Obs.] ``To rate the truce.'' --Chapman.

   {To rate a chronometer}, to ascertain the exact rate of its
      gain or loss as compared with true time, so as to make an
      allowance or computation depended thereon.

   Syn: To value; appraise; estimate; reckon.

Chronometer \Chro*nom"e*ter\, n. [Gr. ? time + -meter: cf. F.
   chronom[`e]tre.]
   1. An instrument for measuring time; a timekeeper.

   2. A portable timekeeper, with a heavy compensation balance,
      and usually beating half seconds; -- intended to keep time
      with great accuracy for use an astronomical observations,
      in determining longitude, etc.

   3. (Mus.) A metronome.

   {Box chronometer}. See under {Box}.

   {Pocket chronometer}, a chronometer in the form of a large
      watch.

   {To rate a chronometer}. See {Rate}, v. t.