English Words Starting With H

• hypophosphite

  nounVery Low
  /ˌhaɪpə(ʊ)ˈfɒsfaɪt/A salt or ester of hypophosphorous acid, containing the H2PO2- anion.
• hypophosphoric acid

  nounVery Low
  /ˌhaɪ.pəʊ.fɒsˈfɒr.ɪk ˈæs.ɪd/A specific inorganic acid with the formula H₄P₂O₆, containing phosphorus in a +4 oxidation state.
• hypophosphorous acid

  nounSpecialist / Very low-frequency
  /ˌhaɪ.pəʊˌfɒs.fər.əs ˈæs.ɪd/A monobasic acid (H₃PO₂) containing phosphorus in a +1 oxidation state, used as a reducing agent.
• hypophrygian mode

  nounC2
  /ˌhaɪ.pəʊˈfrɪdʒ.i.ən məʊd/A musical mode, historically one of the eight medieval church modes, characterized by its specific arrangement of whole and half steps around a final note (tonic).
• hypophyge

  nounObscure
  /haɪˈpɒfɪdʒiː/In classical architecture, the concave curve at the top of a column's shaft, forming the transition to the capital, or at the bottom, connecting to the base.
• hypophysectomy

  nounC2
  /ˌhaɪ.pəʊ.fɪˈsek.tə.mi/The surgical removal of the pituitary gland.
• hypophysis

  nounRare
  /haɪˈpɒfɪsɪs/A small endocrine gland at the base of the brain; the pituitary gland.
• hypopiesis

  nounVery Low / Technical / Specialized
  /ˌhaɪ.pəʊ.paɪˈiː.sɪs/Abnormally low arterial blood pressure.
• hypopituitarism

  nounC2+
  /ˌhaɪ.pəʊ.pɪˈtjuː.ɪ.tər.ɪ.zəm/A medical condition caused by insufficient hormone production by the pituitary gland.
• hypoplasia

  nounVery Low / Technical
  /ˌhaɪ.pə(ʊ)ˈpleɪ.zi.ə/The underdevelopment or incomplete development of a tissue or organ.
• hypoploid

  adjectivenounVery Low / Technical
  /ˈhaɪ.pəʊ.plɔɪd/An adjective describing a cell or organism having fewer chromosomes than the typical, characteristic number for its species.
• hypopnea

  nounC2
  /ˌhaɪ.pəʊpˈniː.ə/Abnormally shallow or slow breathing.
• hypopnoea

  nounC2
  /ˌhʌɪ.pɒpˈniː.ə/Abnormally slow or shallow breathing.
• hypopotassemia

  nounLow (Specialist/Medical)
  /ˌhaɪ.pəʊ.pəʊ.tæˈsiː.mi.ə/A medical condition characterized by an abnormally low level of potassium in the blood.
• hypopraxia

  nounVery low (technical/medical term)
  /ˌhaɪ.pəʊˈpræk.si.ə/A deficiency in the ability to perform voluntary movements; decreased or diminished motor function or activity.
• hypoproteinemia

  nounLow
  /ˌhaɪ.pəʊˌprəʊ.tiːˈniː.mi.ə/An abnormally low level of protein in the blood plasma.
• hypopyon

  nounVery Low
  /haɪˈpəʊpɪən/A collection of pus in the anterior chamber of the eye.
• hyporchema

  nounVery Low (Specialist/Technical)
  /ˌhʌɪpəˈriːmə/A lively, choral song accompanied by dance in ancient Greek drama and religion.
• hyposecretion

  nounC2
  /ˌhaɪ.pəʊ.sɪˈkriː.ʃən/The abnormally reduced secretion of a substance, hormone, or fluid by a gland or cell.
• hyposensitivity

  nounLow
  /ˌhaɪ.pəʊˌsen.sɪˈtɪv.ɪ.ti/A condition of reduced or diminished sensitivity to stimuli.

Showing 5901–5920 of 5990 words.