The word "carbollysoform" is a technical term used in chemistry, specifically in the field of organic synthesis. It is spelled as [kɑːbəlaɪsəʊfɔːm], with the first syllable pronounced as "car", the second syllable as "boil", the third syllable as "so", and the fourth syllable as "form." The word refers to a chemical compound that contains a carbonyl and a hydroxyl group. While the word may be difficult to spell, it is crucial in chemistry for precise communication of chemical structures and properties.
A 3 per cent. solution of phenol in lysoform.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.