English Words Starting With M

• myelencephalon

  nounVery Low
  /ˌmaɪəlɛnˈsɛfəlɒn/The posterior part of the embryonic hindbrain, which develops into the medulla oblongata.
• myelin

  nounC2 (Specialist)
  /ˈmaɪ.ə.lɪn/A fatty white substance that forms a protective sheath (myelin sheath) around the axon of some nerve cells, enabling faster transmission of electrical impulses.
• myelin sheath

  nounC1/C2
  /ˈmaɪ.ə.lɪn ˌʃiːθ/A protective fatty layer that surrounds nerve fibers (axons), enabling fast transmission of electrical signals.
• myelination

  nounC2
  /ˌmaɪ.ə.lɪˈneɪ.ʃən/The process by which myelin, a fatty insulating sheath, forms around nerve fibres (axons), enabling faster transmission of electrical impulses.
• myelitis

  nounLow
  /ˌmʌɪəˈlʌɪtɪs/Inflammation of the spinal cord or bone marrow.
• myeloblast

  nounLow (C2/Professional)
  /ˈmaɪə.ləʊ.blɑːst/An immature cell in the bone marrow that is the earliest identifiable precursor of a white blood cell (granulocyte).
• myelocyte

  nounVery Low (Specialized)
  /ˈmaɪələ(ʊ)ˌsʌɪt/A young cell of the granulocytic series, found in bone marrow, which develops into a mature granulocyte (such as a neutrophil, eosinophil, or basophil).
• myelofibrosis

  nounLow
  /ˌmaɪ.ə.ləʊ.faɪˈbrəʊ.sɪs/A rare, chronic bone marrow disorder where scar tissue (fibrosis) replaces the marrow, disrupting normal blood cell production.
• myelogram

  nounC2
  /ˈmaɪ.ə.lə.ɡræm/A radiographic image (X-ray) of the spinal cord and the spaces around it, taken after a contrast dye is injected into the spinal canal.
• myelography

  nounC2
  /ˌmaɪ.əˈlɒɡ.rə.fi/A medical imaging technique using X-rays or other radiation to visualize the spinal cord, often with injected contrast dye.
• myeloma

  nounLow
  /ˌmaɪ.əˈləʊ.mə/A malignant tumour of the bone marrow, originating in plasma cells, often affecting multiple bones.
• myelopathy

  nounC2
  /ˌmaɪ.əˈlɒp.ə.θi/A disease or dysfunction of the spinal cord.
• myers

  nounMedium (as a proper noun)
  /ˈmaɪ.əz/A proper noun referring to a common English surname of patronymic origin, primarily meaning 'son/daughter of Myer' (a medieval form of the name Mayer, itself meaning 'steward' or 'official'). Also refers to specific individuals, companies, or branded products bearing this surname.
• myiasis

  nounVery Low
  /maɪˈʌɪəsɪs/An infestation of the body by fly larvae (maggots).
• myingyan

  nounNon-existent
  Not a standard English word.
• mykerinos

  nounExtremely rare / Non-existent
  A rare or archaic term with no established meaning in contemporary English dictionaries; possibly a proper noun or obscure historical reference.
• mykolayiv

  nounRare
  /ˌmɪkəˈlɑːjɪf/A city and region (oblast) in southern Ukraine, a major shipbuilding and industrial centre located at the confluence of the Southern Bug and Inhul rivers.
• mykonos

  nounB1
  /ˈmɪkənɒs/A Greek island in the Aegean Sea, part of the Cyclades group, known for its vibrant nightlife, beaches, and iconic windmills.
• mylohyoid

  adjectivenounVery Low
  /ˌmaɪlə(ʊ)ˈhʌɪɔɪd/A muscle located in the neck, beneath the jaw, connecting the mandible to the hyoid bone.
• mylonite

  nounVery Low
  /ˈmaɪlənaɪt/A fine-grained, foliated metamorphic rock formed by ductile deformation and dynamic recrystallization, often associated with fault zones.

Showing 8461–8480 of 8594 words.