English Words Starting With O

• ova

  nounC2
  /ˈəʊvə/The mature female reproductive cells or gametes in animals, especially eggs produced in the ovaries.
• oval

  adjectivenounB1
  /ˈəʊv(ə)l/A shape that is elongated and rounded like an egg or an ellipse.
• oval kumquat

  nounLow
  /ˌəʊ.vəl ˈkʌm.kwɒt/A specific variety of the small, citrus fruit kumquat, characterized by its oval, rather than round, shape.
• oval of cassini

  nounVery Low (Specialist/Learned)
  /ˈəʊvəl əv kæˈsiːni/A plane curve defined as the set of points where the product of the distances to two fixed points (foci) is constant.
• oval office

  nounC1+
  /ˌəʊv(ə)l ˈɒfɪs/The private office of the President of the United States in the White House.
• oval window

  nounlow
  /ˌəʊvəl ˈwɪndəʊ/A small, membrane-covered opening in the bony wall of the cochlea of the inner ear.
• ovalbumin

  nounC1/C2
  /ˌəʊvəlˈbjuːmɪn/The main protein found in egg white, making up about 54-60% of its total protein content.
• ovality

  nounC2/Rare
  /əʊˈvæl.ə.ti/The quality or state of being oval; deviation from perfect circularity.
• ovalle

  nounNot applicable / Not found in English corpora
  This word does not exist in standard English. It is likely a misspelling, a non-standard form, or a word from another language (e.g., Spanish/Italian 'ovale' meaning 'oval').
• ovals of cassini

  plural-nounVery Low
  /ˈəʊvəlz əv kəˈsiːni/A specific mathematical curve, defined as the set of points for which the product of distances to two fixed points (foci) is constant.
• ovambo

  nounC2
  /əʊˈvæmbəʊ/A member of a Bantu-speaking people inhabiting northern Namibia and southern Angola.
• ovariectomy

  nounC2
  /ˌəʊ.vər.iˈek.tə.mi/a surgical operation to remove one or both ovaries.
• ovariole

  nounTechnical/Very Low Frequency
  /əʊˈvɛːrɪəʊl/One of the egg-producing tubes in the ovary of an insect.
• ovariotomy

  nounVery Low
  /əʊˌvɛərɪˈɒtəmi/A surgical operation to remove an ovary.
• ovaritis

  nounLow
  /ˌəʊvəˈraɪtɪs/An inflammation of the ovary.
• ovarium

  nounTechnical
  /əʊˈvɛːrɪəm/The female reproductive organ in which eggs (ova) are produced.
• ovary

  nounB2/C1
  /ˈəʊ.vər.i/The female reproductive organ in animals and plants that produces eggs or seeds.
• ovation

  nounC1
  /əʊˈveɪ.ʃən/A sustained, enthusiastic show of public appreciation, especially by clapping, given to someone as a mark of approval or admiration.
• ovel

  nounN/A
  The term 'ovel' is not an established word in standard English lexicons. It has no core lexical meaning.
• oven

  nounverbHigh
  /ˈʌv(ə)n/A kitchen appliance or enclosed chamber used for baking, roasting, or heating food.

Showing 2641–2660 of 3187 words.