英语词典

OPP

• OPP, O.P.

以上来源于:Wikipedia

opium poppy

• n.southwestern Asian herb with greyish leaves and white or reddish flowers; source of opium

  同义词：Papaver somniferum

optic nerve

• n.the cranial nerve that serves the retina

  同义词：nervus opticussecond cranial nerveoptic tract

or so

• adv.(of quantities) imprecise but fairly close to correct

  同义词：approximatelyaboutclose tojust aboutsomeroughlymore or lessaround

oral cavity

• n.the opening through which food is taken in and vocalizations emerge

  同义词：mouthoral fissurerima oris

Oral hygiene

• Oral hygiene is the practice of keeping the mouth and teeth clean to prevent dental problems, most commonly, dental cavities, gingivitis, and bad breath. There are also oral pathologic conditions in which good oral hygiene is required for healing and regeneration of the oral tissues.

以上来源于:Wikipedia

oral sex

• n.oral stimulation of the genitals

  同义词：head

orbit[ \'ɔ:bit ]

• n.
  • the (usually elliptical) path described by one celestial body in its revolution about another

    \"he plotted the orbit of the moon\"

    同义词：celestial orbit

  • a particular environment or walk of life

    \"he\'s out of my orbit\"

    同义词：spheredomainareafieldarena

  • an area in which something acts or operates or has power or control:

    \"in the political orbit of a world power\"

    同义词：scoperangereachcompassambit

  • the path of an electron around the nucleus of an atom

    同义词：electron orbit

  • the bony cavity in the skull containing the eyeball

    同义词：eye socketcranial orbitorbital cavity

• v.move in an orbit

  \"The moon orbits around the Earth\"; \"The planets are orbiting the sun\"; \"electrons orbit the nucleus\"

  同义词：orbrevolve

Orcus[ \'ɔ:kəs ]

• n.god of the underworld; counterpart of Greek Pluto

  同义词：Dis

order of magnitude

• n.
  • a degree in a continuum of size or quantity

    同义词：order

  • a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10

    同义词：magnitude

ordinal[ \'ɔ:dinəl ]

• n.the number designating place in an ordered sequence

  同义词：ordinal numberno.

• adj.
  • of or relating to a taxonomic order

    \"family and ordinal names of animals and plants\"

  • being or denoting a numerical order in a series

    \"ordinal numbers\"; \"held an ordinal rank of seventh\"

orderer

• n.
  • someone who places an order to buy
  • an organizer who puts things in order

    \"Aristotle was a great orderer of ideas\"

    同义词：systematizersystematisersystemizersystemisersystematist

ordering[ \'ɔ:dəriŋ ]

• n.
  • logical or comprehensible arrangement of separate elements

    同义词：orderordination

  • the act of putting things in a sequential arrangement

    \"there were mistakes in the ordering of items on the list\"

    同义词：order

orderliness[ \'ɔ:dəlinis ]

• n.
  • the quality of appreciating method and system

    同义词：methodicalness

  • a condition of regular or proper arrangement

    同义词：order

ordnance[ \'ɔ:dnəns ]

• n.
  • military supplies

    同义词：munitionordnance store

  • large but transportable armament

    同义词：artilleryheavy weapongun

ore[ ɔ: ]

• n.
  • a mineral that contains metal that is valuable enough to be mined
  • a monetary subunit in Denmark and Norway and Sweden; 100 ore equal 1 krona

organization[ ,ɔ:ɡənai\'zeiʃən, -ni\'z- ]

• n.
  • a group of people who work together

    同义词：organisation

  • an organized structure for arranging or classifying

    \"the facts were familiar but it was in the organization of them that he was original\"

    同义词：arrangementorganisationsystem

  • the persons (or committees or departments etc.) who make up a body for the purpose of administering something

    同义词：administrationgovernancegoverning bodyestablishmentbrassorganisation

  • the act of forming something

    \"he still remembers the organization of the club\"

    同义词：constitutionestablishmentformationorganisation

  • the act of organizing a business or an activity related to a business

    \"he was brought in to supervise the organization of a new department\"

    同义词：organisation

  • the activity or result of distributing or disposing persons or things properly or methodically

    \"his organization of the work force was very efficient\"

    同义词：organisation

  • an ordered manner; orderliness by virtue of being methodical and well organized

    \"his compulsive organization was not an endearing quality\"

    同义词：organisationsystem

organise[ \'ɔ:ɡənaiz ]

• v.
  • bring order and organization to

    同义词：organizecoordinate

  • create (as an entity)

    同义词：formorganize

  • form or join a union

    同义词：unionizeunioniseorganize

  • cause to be structured or ordered or operating according to some principle or idea

    同义词：organize

  • arrange by systematic planning and united effort

    同义词：organizepreparedeviseget upmachinate

  • plan and direct (a complex undertaking)

    同义词：mastermindengineerdirectorganizeorchestrate