English Words Starting With O

• orchotomy

  nounExtremely Rare
  /ɔːˈkɒtəmi/A surgical incision into a testicle.
• orcinol

  nounVery Low Frequency (C2+)
  /ˈɔːsɪnɒl/A crystalline organic compound (C₇H₈O₂) derived from certain lichens, used in chemical testing and as a precursor in synthesis.
• orcus

  nounLow
  /ˈɔːkəs/A god of the underworld in Roman mythology; a personification of the underworld or a bringer of death.
• orczy

  nounVery Rare
  /ˈɔːkzi/Relating to Baroness Emmuska Orczy (Hungarian-born British author, 1865-1947), specifically referring to her most famous literary creation, the Scarlet Pimpernel.
• ord

  abbreviationnounVery Low
  /ɔːd/A point, degree, or level in a series or scale; an ordinary.
• ordain

  verbverb-intransitiveverb-transitiveC2
  /ɔːˈdeɪn/To make someone a priest, minister, or rabbi in a religious ceremony, conferring official authority.
• ordained

  adjectivenounverbC1
  /ɔːˈdeɪnd/Officially appointed or decreed, especially within a religious ceremony to grant authority as a minister, priest, or other religious figure.
• ordainee

  nounLow
  /ˌɔː.deɪˈniː/A person who has been formally invested with ministerial or priestly authority in a religious ceremony.
• ordeal

  nounB2
  /ɔːˈdiːl/A severe or painful experience that tests one's character or endurance.
• ordeal bean

  nounVery low
  /ɔːˈdiːl biːn/A seed from certain tropical plants, historically used in West Africa in trial-by-ordeal rituals to determine guilt or innocence.
• ordeal tree

  nounVery Low
  /ɔːˈdiːl triː/Any of several tropical African trees of the genus Erythrophleum (especially Erythrophleum suaveolens or Erythrophleum ivorense), historically significant for the use of their poisonous bark in ordeals by poison.
• order

  interjectionnounverbverb-intransitiveverb-transitiveA1
  /ˈɔː.dər/A state of logical, prescribed, or methodical arrangement; an authoritative command or instruction.
• order about

  verbB2
  /ˈɔːdər əˈbaʊt/To give commands to someone in an authoritative, domineering, or bossy manner.
• order arms

  interjectionnounC2
  /ˌɔːdər ˈɑːmz/A military drill command directing soldiers to bring their weapons (typically rifles) from a shoulder or port position to a vertical position with the butt on the ground, held at the right side with the right hand.
• order bill of lading

  nounVery Low (Specialist/Technical)
  /ˈɔːdə bɪl əv ˈleɪdɪŋ/A negotiable bill of lading made out 'to order' or 'to the order of' a named party, allowing title to the goods to be transferred by endorsement and delivery of the document.
• order in council

  nounC2
  /ˌɔːdər ɪn ˈkaʊnsəl/A type of legislation in certain Commonwealth countries, issued directly by the executive government (the head of state or governor-general) on the advice of ministers, without needing to pass through the full legislative process.
• order of australia

  nounLow
  /ˈɔːdər əv ɒˈstreɪliə/Australia's pre-eminent civil honour system, established to recognise outstanding achievement and service by Australian citizens.
• order of battle

  nounC1/C2
  /ˈɔːdər əv ˈbætl/A formal arrangement of military units, detailing their organization, deployment, and command structure for a specific operation or campaign.
• order of business

  nounC1
  /ˈɔːdə(r) əv ˈbɪznəs/The specific arrangement or sequence of items to be discussed or dealt with during a formal meeting or gathering.
• order of canada

  nounC1
  /ˌɔː.dər əv ˈkæn.ə.də/The highest civilian honour and award for merit in the Canadian honours system, recognising outstanding achievement, dedication to the community, and service to the nation.

Showing 1741–1760 of 3187 words.