English Lexicon

Leuco

/ˈluː.kəʊ/
adjectiveCEFR C1 (Advanced)Top #15000 frequency
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Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Relating to or denoting a colorless or white form of a substance, especially in biological or chemical contexts.

    "The leuco form of the dye is used in the initial stages of the reaction."
  2. 2

    Referring to a type of white blood cell or a colorless compound.

    "Leucocytes are essential for the immune response in the human body."

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Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'leuco' originates from the Greek word 'leukos', meaning 'white'. It has been used in scientific contexts since the 19th century to describe colorless or white substances, particularly in chemistry and biology.

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