What is the hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride called?
thionyl — The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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