English Words Starting With H

• hypothecate

  verbverb-transitiveLow
  /hʌɪˈpɒθɪkeɪt/To pledge an asset as security or collateral for a loan without transferring ownership or possession.
• hypothecation

  nounC2
  /haɪˌpɒθ.ɪˈkeɪ.ʃən/The act of pledging an asset (like property or securities) as collateral for a loan, without transferring ownership.
• hypothecium

  nounC2
  /ˌhaɪ.pəʊˈθiː.si.əm/A layer of fungal tissue located beneath the spore-bearing surface of an apothecium, especially in lichens and some ascomycetes.
• hypothenar

  adjectivenounTechnical
  /ˌhʌɪ.pə(ʊ)ˈθiː.nə/The prominent muscular group on the inner (ulnar) side of the palm, located below the little finger.
• hypothenuse

  nounLow
  /haɪˈpɒθ.ə.njuːz/The side of a right triangle opposite the right angle.
• hypothermia

  nounC1
  /ˌhaɪ.pəˈθɜː.mi.ə/An abnormally low body temperature, typically below 35°C (95°F), often caused by prolonged exposure to cold.
• hypothesis

  nounC1
  /haɪˈpɒθ.ə.sɪs/A proposed explanation for an observation or phenomenon, made as a starting point for further investigation and testing.
• hypothesis testing

  nounTechnical
  /haɪˈpɒθəsɪs ˌtɛstɪŋ/In statistics, a formal procedure for evaluating a claim (hypothesis) about a population parameter using sample data.
• hypothesize

  verbverb-intransitiveverb-transitiveC1
  /haɪˈpɒθ.ə.saɪz/To propose a possible explanation or theory for something that is not yet proved.
• hypothetical

  adjectivenounC1
  /ˌhaɪ.pəˈθet.ɪ.kəl/Based on a suggested idea or theory rather than on something known to be true or real; supposed for the sake of argument.
• hypothetical imperative

  nounC2 (Very Low Frequency)
  /ˌhaɪ.pəˌθet.ɪ.kəl ɪmˈper.ə.tɪv/A command or rule for action that is conditional upon a person's desires or goals.
• hypothetico-deductive method

  nounVery Low
  /haɪˌpɒθ.ɪˌtɪk.əʊ dɪˈdʌk.tɪv ˈmeθ.əd/A scientific methodology where a hypothesis is formulated and then tested by deducing its observable consequences, which are then checked against empirical evidence.
• hypothymia

  nounVery Low (C2+ / Technical)
  /ˌhʌɪ.pə(ʊ)ˈθaɪ.mi.ə/A chronic state of low mood, emotional flatness, and reduced emotional reactivity; a persistent, mild depressive state.
• hypothyroidism

  nounC2
  /ˌhaɪ.pəʊˈθaɪ.rɔɪ.dɪ.zəm/A medical condition where the thyroid gland does not produce enough thyroid hormone.
• hypotrachelium

  nounExtremely Rare/Very Low
  /ˌhʌɪpəʊtrəˈkiːlɪəm/A narrow groove or channel just below the capital (topmost part) of a classical column.
• hypotrich

  nounVery Low
  /ˈhaɪ.pə(ʊ).trɪk/Any ciliate protozoan of the order Hypotrichida, characterized by having compound ciliary organelles called cirri on the ventral surface and typically a flattened, flexible body.
• hypotyposis

  nounVery Rare / Specialised
  /ˌhʌɪpə(ʊ)tʌɪˈpəʊsɪs/A vivid, picturesque description of a scene, event, or situation that brings it to life before the reader's or listener's eyes.
• hypovolemia

  nounC2
  /ˌhʌɪpə(ʊ)vəˈliːmɪə/An abnormally low volume of circulating blood in the body.
• hypovolemic shock

  nounLow (specialized medical term)
  /ˌhaɪ.pəʊ.vɒˈliː.mɪk ʃɒk/A critical medical condition where severe blood or fluid loss leads to inadequate perfusion and oxygen delivery to the body's tissues, resulting in multiple organ failure.
• hypoxanthine

  nounVery Low
  /ˌhaɪ.pəʊˈzæn.θiːn/A purine base that is an intermediate in the metabolism of purine nucleotides in animals.

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