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English Words Starting With L

5,456 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Suffix Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

leucotome
nounVery Low
/ˈluːkətəʊm/A surgical instrument, specifically a narrow, thin blade, used historically in a type of psychosurgery called a prefrontal lobotomy.
leucotomy
nounC2+
/luːˈkɒtəmi/A historical neurosurgical procedure involving the cutting of white nerve fibers in the brain to treat severe mental disorders.
leuctra
nounVery Low
/ˈljuːktrə/A site in ancient Greece where a historically significant battle was fought.
leud
nounObsolete / Archaic
/ljuːd/A historical term for a vassal or liegeman in the Merovingian kingdom.
leukaemia
nounC1
/luːˈkiːmiə/A type of cancer of the blood or bone marrow characterized by an abnormal increase in immature white blood cells.
leukas
nounVery low
/ˈluːkəs/A Greek island in the Ionian Sea, also known as Lefkada or Leucas.
leukemia
nounC1
/luːˈkiː.mi.ə/A type of cancer that affects the blood and bone marrow, characterized by the overproduction of abnormal white blood cells.
leukemic reticuloendotheliosis
nounExtremely Low
/ljuːˌkiːmɪk rɛˌtɪkjʊləʊˌɛndəʊˌθiːlɪˈəʊsɪs/A rare, aggressive cancer of the blood and bone marrow involving abnormal cells derived from the reticuloendothelial system.
leukemid
nounVery rare / Highly technical
/luːˈkiːmɪd/A non-cancerous skin lesion that appears as a secondary, reactive manifestation in some patients with leukaemia.
leukoblast
nounVery Low
/ˈljuː.kə(ʊ)ˌblɑːst/An immature white blood cell; a cell that develops into a leukocyte.
leukocyte
nounLow-Frequency
/ˈluːkə(ʊ)sʌɪt/A colourless cell circulating in the blood and bodily fluids, involved in counteracting foreign substances and disease; a white blood cell.
leukocytosis
nounC2
/ˌluː.kəʊ.saɪˈtəʊ.sɪs/An increased number of white blood cells in the blood.
leukoderma
nounLow
/ˌluː.kəʊˈdɜː.mə/A medical condition characterized by patches of skin that have lost pigment, appearing lighter than the surrounding skin.
leukoma
nounVery Low (Specialised Medical Term)
/luːˈkəʊ.mə/A white, opaque scar or opacity on the cornea of the eye.
leukopedesis
nounVery Rare
/ˌluː.kəʊ.pɪˈdiː.sɪs/The diapedesis or migration of white blood cells (leukocytes) through the walls of blood vessels into surrounding tissues.
leukopenia
nounRare / Technical
/ˌluːkə(ʊ)ˈpiːnɪə/An abnormal decrease in the number of white blood cells in the blood.
leukoplakia
nounC2
/ˌluːkə(ʊ)ˈpleɪkɪə/a thickened, white patch on a mucous membrane, especially inside the mouth, that may become cancerous.
leukopoiesis
nounC2
/ˌluː.kə(ʊ).pɔɪˈiː.sɪs/The biological process of forming white blood cells.
leukosis
nounVery Low
/ljuːˈkəʊsɪs/A condition characterized by an abnormal proliferation of leukocytes (white blood cells), often referring to a group of malignant diseases of the blood-forming tissues in animals, particularly birds and mammals.
leukotomy
nounLow
/ljuːˈkɒtəmi/A surgical operation in which nerve fibres in the brain are severed, historically used as a treatment for severe mental illness.

Showing 2421–2440 of 5456 words.