three-monthlyadj.n.
A. adj.
Of or pertaining to three months; appearing every three months, as a periodical; quarterly.
ΘΚΠ
the world > time > period > year > [adjective] > occurring specific number of times a year
quarterly1563
trimestrial1693
semestrial1701
semi-annual1794
three-monthly1819
trimestral1824
bi-monthly1846
trimonthly1856
biannual1870
triannual1901
1819 Ld. Byron Don Juan: Canto I ccxi. 108 Magazines,..Daily, or monthly, or three monthly.
1842 T. P. Thompson Exercises I. 233 Writing in a three-monthly Review.
1846 C. G. F. Gore Sketches Eng. Char. I. 28 Convinced that all the weekly, monthly, and three-monthly critics cannot be in the wrong.
B. n.
A quarterly magazine or review.
ΘΚΠ
society > communication > journalism > journal > periodical > [noun] > by frequency of publication
quarterly1818
trimestrial1824
anniversary1827
monthly1830
tri-weekly1832
hebdomadal1835
fortnightly1865
three-monthly1886
bi-weekly1890
seasonal1895
bi-monthly1926
1886 M. F. Tupper My Life as Author 179 I was editor..of an extinct three-monthly, the Anglo-Saxon.
This entry has not yet been fully updated (first published 1912; most recently modified version published online June 2019).
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adj.n.1819