/mik'seuh meuh toh"sis/ , n.
1. Pathol.
a. a condition characterized by the presence of many myxomas.
b. myxomatous degeneration.
2. Vet. Pathol. a highly infectious viral disease of rabbits, artificially introduced into Great Britain and Australia to reduce the rabbit population.
[ 1925-30; myxomat- (s. of myxoma; see MYX-, -OMA) + -OSIS ]