Wordnet 3.0
NOUN (1)
1.
a form of muscular dystrophy that sets in in adolescence or adulthood and progresses slowly but will affect all voluntary muscles;
characterized by generalized weakness and muscle wasting that affects limb and trunk muscles first;
similar to Duchenne's muscular dystrophy but less severe;
inheritance is X-linked recessive (carried by females but affecting only males);
WordNet (r) 3.0 (2006):
Becker muscular dystrophy
n 1: a form of muscular dystrophy that sets in in adolescence or
adulthood and progresses slowly but will affect all
voluntary muscles; characterized by generalized weakness
and muscle wasting that affects limb and trunk muscles
first; similar to Duchenne's muscular dystrophy but less
severe; inheritance is X-linked recessive (carried by
females but affecting only males)