[1] : The Collaborative International Dictionary of English v.0.48

open \o"pen\, a. as. open; akin to d. open, os. opan, g. offan,
   icel. opinn, sw. "oppen, dan. aaben, and perh. to e. up.
   cf. up, and ope.
   1. free of access; not shut up; not closed; affording
      unobstructed ingress or egress; not impeding or preventing
      passage; not locked up or covered over; -- applied to
      passageways; as, an open door, window, road, etc.; also,
      to inclosed structures or objects; as, open houses, boxes,
      baskets, bottles, etc.; also, to means of communication or
      approach by water or land; as, an open harbor or
      roadstead.
      1913 webster

            through the gate,
            wide open and unguarded, satan passed. --milton
      1913 webster

   note: also, figuratively, used of the ways of communication
         of the mind, as by the senses; ready to hear, see,
         etc.; as, to keep one's eyes and ears open.
         1913 webster

               his ears are open unto their cry.  --ps. xxxiv.
                                                  15.
         1913 webster

   2. free to be used, enjoyed, visited, or the like; not
      private; public; unrestricted in use; as, an open library,
      museum, court, or other assembly; liable to the approach,
      trespass, or attack of any one; unprotected; exposed.
      1913 webster

            if demetrius . . . have a matter against any man,
            the law is open and there are deputies. --acts xix.
                                                  33.
      1913 webster

            the service that i truly did his life,
            hath left me open to all injuries.    --shak.
      1913 webster

   3. free or cleared of obstruction to progress or to view;
      accessible; as, an open tract; the open sea.
      1913 webster

   4. not drawn together, closed, or contracted; extended;
      expanded; as, an open hand; open arms; an open flower; an
      open prospect.
      1913 webster

            each, with open arms, embraced her chosen knight.
                                                  --dryden.
      1913 webster

   5. hence:
      a without reserve or false pretense; sincere;
          characterized by sincerity; unfeigned; frank; also,
          generous; liberal; bounteous; -- applied to personal
          appearance, or character, and to the expression of
          thought and feeling, etc.
          1913 webster

                with aspect open, shall erect his head. --pope.
          1913 webster

                the moor is of a free and open nature. --shak.
          1913 webster

                the french are always open, familiar, and
                talkative.                        --addison.
          1913 webster
      b not concealed or secret; not hidden or disguised;
          exposed to view or to knowledge; revealed; apparent;
          as, open schemes or plans; open shame or guilt; open
          source code.
          1913 webster +pjc

                his thefts are too open.          --shak.
          1913 webster

                that i may find him, and with secret gaze
                or open admiration him behold.    --milton.
          1913 webster

   6. not of a quality to prevent communication, as by closing
      water ways, blocking roads, etc.; hence, not frosty or
      inclement; mild; -- used of the weather or the climate;
      as, an open season; an open winter. --bacon.
      1913 webster

   7. not settled or adjusted; not decided or determined; not
      closed or withdrawn from consideration; as, an open
      account; an open question; to keep an offer or opportunity
      open.
      1913 webster

   8. free; disengaged; unappropriated; as, to keep a day open
      for any purpose; to be open for an engagement.
      1913 webster

   9. phon.
      a uttered with a relatively wide opening of the
          articulating organs; -- said of vowels; as, the aumn
          faumr is open as compared with the =a in s=ay.
      b uttered, as a consonant, with the oral passage simply
          narrowed without closure, as in uttering s.
          1913 webster

   10. mus.
       a not closed or stopped with the finger; -- said of the
           string of an instrument, as of a violin, when it is
           allowed to vibrate throughout its whole length.
       b produced by an open string; as, an open tone.
           1913 webster

   the open air, the air out of doors.

   open chain. chem. see closed chain, under chain.

   open circuit elec., a conducting circuit which is
      incomplete, or interrupted at some point; -- opposed to an
      uninterrupted, or closed circuit.

   open communion, communion in the lord's supper not
      restricted to persons who have been baptized by immersion.
      cf. close communion, under close, a.

   open diapason mus., a certain stop in an organ, in which
      the pipes or tubes are formed like the mouthpiece of a
      flageolet at the end where the wind enters, and are open
      at the other end.

   open flank fort., the part of the flank covered by the
      orillon.

   open-front furnace metal., a blast furnace having a
      forehearth.

   open harmony mus., harmony the tones of which are widely
      dispersed, or separated by wide intervals.

   open hawse naut., a hawse in which the cables are
      parallel or slightly divergent. cf. foul hawse, under
      hawse.

   open hearth metal., the shallow hearth of a reverberatory
      furnace.

   open-hearth furnace, a reverberatory furnace; esp., a kind
      of reverberatory furnace in which the fuel is gas, used in
      manufacturing steel.

   open-hearth process steel manuf., a process by which
      melted cast iron is converted into steel by the addition
      of wrought iron, or iron ore and manganese, and by
      exposure to heat in an open-hearth furnace; -- also called
      the siemens-martin process, from the inventors.

   open-hearth steel, steel made by an open-hearth process; --
      also called siemens-martin steel.

   open newel. arch. see hollow newel, under hollow.

   open pipe mus., a pipe open at the top. it has a pitch
      about an octave higher than a closed pipe of the same
      length.

   open-timber roof arch., a roof of which the
      constructional parts, together with the under side of the
      covering, or its lining, are treated ornamentally, and
      left to form the ceiling of an apartment below, as in a
      church, a public hall, and the like.

   open vowel or open consonant. see open, a., 9.
      1913 webster

   note: open is used in many compounds, most of which are
         self-explaining; as, open-breasted, open-minded.
         1913 webster

   syn: unclosed; uncovered; unprotected; exposed; plain;
        apparent; obvious; evident; public; unreserved; frank;
        sincere; undissembling; artless. see candid, and
        ingenuous.
        1913 webster
see also:
up ope the open air open chain closed chain chain 
open circuit closed circuit open communion close communion close 
open diapason open flank open-front furnace open harmony open hawse 
foul hawse hawse open hearth open-hearth furnace open-hearth process 
siemens-martin process open-hearth steel siemens-martin steel open newel hollow newel 
hollow open pipe open-timber roof open vowel open consonant 
open candid ingenuous 

Hawse >> H Words
Hawse, definition of term: Hawse
hawse_pag1.html

Open >> O Words
Open, definition of term: Open
open_pag1.html

Open Sea >> O Words
Open Sea, definition of term: Open Sea
open+sea_pag1.html

Open Place >> O Words
Open Place, definition of term: Open Place
open+place_pag1.html

Open Shop >> O Words
Open Shop, definition of term: Open Shop
open+shop_pag1.html

Open Up >> O Words
Open Up, definition of term: Open Up
open+up_pag1.html

Open Look >> O Words
Open Look, definition of term: Open Look
open+look_pag1.html

Open To >> O Words
Open To, definition of term: Open To
open+to_pag1.html

Open House >> O Words
Open House, definition of term: Open House
open+house_pag1.html

Open Account >> O Words
Open Account, definition of term: Open Account
open+account_pag1.html

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