Englishfor English speakers
tun
—
noun
a large cask especially one holding a volume equivalent to 2 butts or 252 gals
ALS
—
noun
(= amyotrophic lateral sclerosis)
thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord; results in progressive muscle atrophy that starts in the limbs
Ob
—
noun
a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea
OB
—
noun
(= obstetrics)
the branch of medicine dealing with childbirth and care of the mother