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a severe form in which the eruption is dark in color due to effusion of blood into affected areas of the skin.
Synonym(s): black measles (1)
n. (used with a sing. verb)
See black measles.
Etymology: Gk, haima, blood, rhegnynei, to gush; ME, masalas
a severe form of measles characterized by bleeding into the skin and mucous membranes. See also black measles.