Scottish National Dictionary (1700–)
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First published 1976 (SND Vol. X, list of scientific terms with Scottish connections).
This entry has not been updated since then but may contain minor corrections and revisions.
BUCHAN. 1. In phr. Buchan's cold spell, one of a series of spells of cold weather occurring approximately at the same time each year, according to a theory based on weather statistics put forward by Alexander Buchan (1827–1907), of Kinnesswood, Kinrossshire, in 1867 (Handy Book of Meteorology (1868) xiv.).
2. In comb. Buchan trap, in plumbing, a water-sealed disconnecting trap in the waste pipe of a plumbing system, patented by W. P. Buchan, of Glasgow in 1875 (1875 W. P. Buchan Plumbing 215, 1972 J. Hastings Plumber's Companion 48).
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"Buchan ". Dictionary of the Scots Language. 2004. Scottish Language Dictionaries Ltd. Accessed 19 Dec 2025 <http://www.dsl.ac.uk/entry/snd/snd00089887>
