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discoloration    音标拼音: [dɪsk,ʌlɚ'eʃən]
n. 变色;污点

变色;污点

discoloration
n 1: a soiled or discolored appearance; "the wine left a dark
stain" [synonym: {stain}, {discoloration}, {discolouration}]
2: the act of changing the natural color of something by making
it duller or dingier or unnatural or faded [synonym:
{discoloration}, {discolouration}]

Discoloration \Dis*col`or*a"tion\, n. [Cf. F. decoloration.]
1. The act of discoloring, or the state of being discolored;
alteration of hue or appearance. --Darwin.
[1913 Webster]

2. A discolored spot; a stain. --Arbuthnot.
[1913 Webster]


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  • Tinea versicolor - Symptoms causes - Mayo Clinic
    Tinea versicolor (TIN-ee-uh vur-si-KUL-ur) is a common skin infection caused by a fungus The fungus causes patchy changes in skin color The affected skin may look lighter or darker than the healthy skin This condition usually forms on the middle of the body and the shoulders Tinea versicolor is most common in teens and young adults Sun exposure may make the skin changes more visible
  • Lichen sclerosus - Symptoms and causes - Mayo Clinic
    Overview Lichen sclerosus (LIE-kun skluh-ROW-sus) is a condition that causes patchy, discolored, thin skin It usually affects the genital and anal areas Anyone can get lichen sclerosus but postmenopausal women are at higher risk It isn't contagious and can't be spread through sexual contact
  • Acanthosis nigricans - Symptoms causes - Mayo Clinic
    Acanthosis nigricans is a skin condition that causes a dark discoloration in body folds and creases It typically affects the armpits, groin and neck
  • Sun damage - Mayo Clinic
    Melanin is the brown pigment in the top layer of skin that gives skin its color Melanin protects the deeper layers of skin from sun damage The more melanin in the skin, the darker the skin looks, and the more protection it has against sun damage People with brown or Black skin have more natural protection from the sun than do people with white skin But brown or Black skin still can be
  • Nonprescription acne treatment: Which products work best?
    The Food and Drug Administration warns that some popular nonprescription acne products applied to the skin (topicals) can cause a serious reaction This type of reaction is quite rare It is common to have some irritation or itchiness when you try new acne products If such side effects don't go away, stop using the product and seek medical care
  • Urine color - Symptoms and causes - Mayo Clinic
    Overview Regular urine color ranges from clear to pale yellow But certain things can change the color Foods such as beets, blackberries and fava beans can turn urine pink or red, for example And some medicines can give urine vivid tones, such as orange or greenish-blue An unusual urine color also can be a sign of a health problem For instance, some urinary tract infections can turn urine
  • White patch on skin: A cause for concern? - Mayo Clinic
    Generally, a discolored patch on skin isn't cause for concern Skin discoloration can be triggered by a number of causes, including: Consult a dermatologist for an evaluation if the discolored patch on your son's arm continues to enlarge or if additional patches appear in other places There is a
  • Discolored baby teeth: A cause for concern? - Mayo Clinic
    Baby teeth can become discolored for many reasons, including not brushing well enough, taking medicines, or having an injury or illness
  • Infant jaundice - Symptoms causes - Mayo Clinic
    Infant jaundice is the yellow coloring of a newborn baby's skin and eyes It's caused by a buildup of pigment called bilirubin in the baby's blood Infant jaundice is a common condition, especially in babies born before 37 weeks' gestation (preterm babies) and some breastfed babies It usually happens because a baby's liver isn't mature enough to get rid of bilirubin (bil-ih-ROO-bin) in the





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