Wordnet 3.0
NOUN (1)
1.
an acute (sometimes fatal) form of viral hepatitis caused by a DNA virus that tends to persist in the blood serum and is transmitted by sexual contact or by transfusion or by ingestion of contaminated blood or other bodily fluids;
[syn: hepatitis B, serum hepatitis]
WordNet (r) 3.0 (2006):
hepatitis B
n 1: an acute (sometimes fatal) form of viral hepatitis caused
by a DNA virus that tends to persist in the blood serum and
is transmitted by sexual contact or by transfusion or by
ingestion of contaminated blood or other bodily fluids
[syn: hepatitis B, serum hepatitis]