Definition of port wine stain in US English:

port wine stain


  • A kind of large, deep red birthmark, a persistent hemangioma or nevus, typically on the face.

    • ‘She also has a port wine stain down one side of her body, eczema, a squint in one eye, a rare blood disorder and possible asthma.’
    • ‘Pulses of laser light can be used to treat skin lesions such as port wine stains and spider veins.’
    • ‘In Sturge - Weber Syndrome the port wine stain is associated with deeper blood vessel abnormality affecting brain function and some individuals have learning difficulties.’
    • ‘Do you have a birthmark such as a port wine stain?’
    • ‘In the context of the medical problem of laser treatment of port wine stains, students learn about chromophores, selective absorption, light transport, and numerical models (Monte Carlo simulations).’
    • ‘Many of our non-surgical procedures are popular, whereby acne scarring, port wine stains and broken thread veins can be treated with lasers.’
    • ‘Born on January 25, 2000, Anna was diagnosed with a hole in the heart and a port wine stain birthmark but doctors then realised she had heart problems and difficulties with her breathing and sight.’
    • ‘Convulsions usually appear on the side of the body opposite the port wine stain and vary in severity.’
    blotch, mark, pop, spot, smudge, dot, speck, speckle, smear, stain, streak, stripe, blemish
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port wine stain

/pɔrt waɪn steɪn/