trimester
semester
: 2学期制
quarter
: 4学期制
noun
a period of
three
month
s, especially as a
division
of the
duration
of
pregnancy
.
〘医〙 (特に3期に分けた妊娠期間の)1期〘3か月〙
North American
each of the
three
term
s in an
academic year
.
DERIVATIVES
trimestral
|trīˈmestrəl| adjective
trimestrial
adjective
ORIGIN
early
19th century
: from
French
trimestre
, from
Latin
trimestris
, from
tri-
‘
three
’ +
mensis
‘
month
’.