資料來源 : pyDict

滴下,落下;使變弱,使下降滴下,落下;下降,變弱落下,下降;滴,滴劑

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

Drop \Drop\, n. [OE. drope, AS. dropa; akin to OS. dropo, D.
   drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and
   Fr. AS. dre['o]pan to drip, drop; akin to OS. driopan, D.
   druipen, OHG. triofan, G. triefen, Icel. drj?pa. Cf. {Drip},
   {Droop}.]
   1. The quantity of fluid which falls in one small spherical
      mass; a liquid globule; a minim; hence, also, the smallest
      easily measured portion of a fluid; a small quantity; as,
      a drop of water.

            With minute drops from off the eaves. --Milton.

            As dear to me as are the ruddy drops That visit my
            sad heart.                            -- Shak.

            That drop of peace divine.            --Keble.

   2. That which resembles, or that which hangs like, a liquid
      drop; as a hanging diamond ornament, an earring, a glass
      pendant on a chandelier, a sugarplum (sometimes
      medicated), or a kind of shot or slug.

   3. (Arch.)
      (a) Same as {Gutta}.
      (b) Any small pendent ornament.

   4. Whatever is arranged to drop, hang, or fall from an
      elevated position; also, a contrivance for lowering
      something; as:
      (a) A door or platform opening downward; a trap door; that
          part of the gallows on which a culprit stands when he
          is to be hanged; hence, the gallows itself.
      (b) A machine for lowering heavy weights, as packages,
          coal wagons, etc., to a ship's deck.
      (c) A contrivance for temporarily lowering a gas jet.
      (d) A curtain which drops or falls in front of the stage
          of a theater, etc.
      (e) A drop press or drop hammer.
      (f) (Mach.) The distance of the axis of a shaft below the
          base of a hanger.

   5. pl. Any medicine the dose of which is measured by drops;
      as, lavender drops.

   6. (Naut.) The depth of a square sail; -- generally applied
      to the courses only. --Ham. Nav. Encyc.

   7. Act of dropping; sudden fall or descent.

   {Ague drop}, {Black drop}. See under {Ague}, {Black}.

   {Drop by drop}, in small successive quantities; in repeated
      portions. ``Made to taste drop by drop more than the
      bitterness of death.'' --Burke.

   {Drop curtain}. See {Drop}, n., 4.
      (d) .

   {Drop forging}. (Mech.)
      (a) A forging made in dies by a drop hammer.
      (b) The process of making drop forgings.

   {Drop hammer} (Mech.), a hammer for forging, striking up
      metal, etc., the weight being raised by a strap or similar
      device, and then released to drop on the metal resting on
      an anvil or die.

   {Drop kick} (Football), a kick given to the ball as it
      rebounds after having been dropped from the hands.

   {Drop lake}, a pigment obtained from Brazil wood. --Mollett.

   {Drop letter}, a letter to be delivered from the same office
      where posted.

   {Drop press} (Mech.), a drop hammer; sometimes, a dead-stroke
      hammer; -- also called drop.

   {Drop scene}, a drop curtain on which a scene is painted. See
      {Drop}, n., 4.
      (d) .

   {Drop seed}. (Bot.) See the List under {Glass}.

   {Drop serene}. (Med.) See {Amaurosis}.

Drop \Drop\, v. i.
   1. To fall in drops.

            The kindly dew drops from the higher tree, And wets
            the little plants that lowly dwell.   --Spenser.

   2. To fall, in general, literally or figuratively; as, ripe
      fruit drops from a tree; wise words drop from the lips.

            Mutilations of which the meaning has dropped out of
            memory.                               --H. Spencer.

            When the sound of dropping nuts is heard. --Bryant.

   3. To let drops fall; to discharge itself in drops.

            The heavens . . . dropped at the presence of God.
                                                  --Ps. lxviii.
                                                  8.

   4. To fall dead, or to fall in death.

            Nothing, says Seneca, so soon reconciles us to the
            thoughts of our own death, as the prospect of one
            friend after another dropping round us. --Digby.

   5. To come to an end; to cease; to pass out of mind; as, the
      affair dropped. --Pope.

   6. To come unexpectedly; -- with in or into; as, my old
      friend dropped in a moment. --Steele.

            Takes care to drop in when he thinks you are just
            seated.                               --Spectator.

   7. To fall or be depressed; to lower; as, the point of the
      spear dropped a little.

   8. To fall short of a mark. [R.]

            Often it drops or overshoots by the disproportion of
            distance.                             --Collier.

   9. To be deep in extent; to descend perpendicularly; as, her
      main topsail drops seventeen yards.

   {To drop astern} (Naut.), to go astern of another vessel; to
      be left behind; to slacken the speed of a vessel so as to
      fall behind and to let another pass a head.

   {To drop down} (Naut.), to sail, row, or move down a river,
      or toward the sea.

   {To drop off}, to fall asleep gently; also, to die. [Colloq.]

Drop \Drop\, v. t. [imp. & p. p. {Dropped}or {Dropt}; p. pr. &
   vb. n. {Dropping}.] [OE. droppen, AS. dropan, v. i. See
   {Drop}, n.]
   1. To pour or let fall in drops; to pour in small globules;
      to distill. ``The trees drop balsam.'' --Creech.

            The recording angel, as he wrote it down, dropped a
            tear upon the word and blotted it out forever.
                                                  --Sterne.

   2. To cause to fall in one portion, or by one motion, like a
      drop; to let fall; as, to drop a line in fishing; to drop
      a courtesy.

   3. To let go; to dismiss; to set aside; to have done with; to
      discontinue; to forsake; to give up; to omit.

            They suddenly drop't the pursuit.     --S. Sharp.

            That astonishing ease with which fine ladies drop
            you and pick you up again.            --Thackeray.

            The connection had been dropped many years. -- Sir
                                                  W. Scott.

            Dropping the too rough H in Hell and Heaven.
                                                  --Tennyson.

   4. To bestow or communicate by a suggestion; to let fall in
      an indirect, cautious, or gentle manner; as, to drop hint,
      a word of counsel, etc.

   5. To lower, as a curtain, or the muzzle of a gun, etc.

   6. To send, as a letter; as, please drop me a line, a letter,
      word.

   7. To give birth to; as, to drop a lamb.

   8. To cover with drops; to variegate; to bedrop.

            Show to the sun their waved coats dropped with gold.
                                                  --Milton.

   {To drop a vessel} (Naut.), to leave it astern in a race or a
      chase; to outsail it.

資料來源 : WordNet®

drop
     n 1: a small quantity (especially of a liquid); "one drop of each
          sample was analyzed"; "any child with a drop of negro
          blood was legally a negro"; "there is not a drop of pity
          in that man" [syn: {driblet}]
     2: a shape that is small and round; "he studied the shapes of
        low-viscosity drops"; "beads of sweat on his forehead"
        [syn: {bead}, {pearl}]
     3: a sudden sharp decrease in some quantity; "a drop of 57
        points on the Dow Jones index"; "there was a drop in
        pressure in the pulmonary artery"; "a dip in prices";
        "when that became known the price of their stock went into
        free fall" [syn: {dip}, {fall}, {free fall}]
     4: a steep high face of rock; "he stood on a high cliff
        overlooking the town"; "a steep drop" [syn: {cliff}, {drop-off}]
     5: a predetermined hiding place for the deposit and
        distribution of illicit goods (such as drugs or stolen
        property)
     6: a free and rapid descent by the force of gravity; "it was a
        miracle that he survived the drop from that height" [syn:
        {fall}]
     7: a curtain that can be lowered and raised onto a stage from
        the flies; often used as background scenery [syn: {drop
        curtain}, {drop cloth}]
     8: a central depository where things can be left or picked up
     9: the act of dropping something; "they expected the drop would
        be successful"
     [also: {dropping}, {dropped}]

drop
     v 1: let fall to the ground; "Don't drop the dishes"
     2: to fall vertically; "the bombs are dropping on enemy
        targets"
     3: go down in value; "Stock prices dropped"
     4: fall or drop to a lower place or level; "He sank to his
        knees" [syn: {sink}, {drop down}]
     5: terminate an association with; "drop him from the Republican
        ticket"
     6: utter casually; "drop a hint"
     7: stop pursuing or acting; "drop a lawsuit"; "knock it off!"
        [syn: {knock off}]
     8: leave or unload, especially of passengers or cargo; [syn: {set
        down}, {put down}, {unload}, {discharge}]
     9: cause to fall by or as if by delivering a blow; "strike down
        a tree"; "Lightning struck down the hikers" [syn: {fell},
        {strike down}, {cut down}]
     10: lose (a game); "The Giants dropped 11 of their first 13"
     11: pay out; "spend money" [syn: {spend}, {expend}]
     12: lower the pitch of (musical notes) [syn: {flatten}] [ant: {sharpen}]
     13: hang freely; "the ornaments dangled from the tree"; "The
         light dropped from the ceiling" [syn: {dangle}, {swing}]
     14: stop associating with; "They dropped her after she had a
         child out of wedlock" [syn: {dismiss}, {send packing}, {send
         away}]
     15: let or cause to fall in drops; "dribble oil into the
         mixture" [syn: {dribble}, {drip}]
     16: get rid of; "he shed his image as a pushy boss"; "shed your
         clothes" [syn: {shed}, {cast}, {cast off}, {shake off}, {throw},
          {throw off}, {throw away}]
     17: leave undone or leave out; "How could I miss that typo?";
         "The workers on the conveyor belt miss one out of ten"
         [syn: {neglect}, {pretermit}, {omit}, {miss}, {leave out},
          {overlook}, {overleap}] [ant: {attend to}]
     18: change from one level to another; "She dropped into army
         jargon"
     19: grow worse; "Her condition deteriorated"; "Conditions in the
         slums degenerated"; "The discussion devolved into a
         shouting match" [syn: {devolve}, {deteriorate}, {degenerate}]
         [ant: {recuperate}]
     20: give birth; used for animals; "The cow dropped her calf this
         morning"
     [also: {dropping}, {dropped}]