The correct spelling of the word "euguform soluble" is actually "eugufurne solubilis", which is a Latin term used in pharmaceuticals. The phonetic transcription of the phrase is "ju:ɡjuːfərn səljuːbɪlɪs". The "eu" in "eugufurne" is pronounced as "ju:", followed by the "g" sound, "j", the "u" sound, and so on. Similarly, "solubilis" can be pronounced as "səljuːbɪlɪs", where the "s" sound is followed by the "əl" sound, the "u" sound, and so forth. Being able to read phonetic transcription can help in understanding the correct pronunciation and spelling of various terms.
A 50 per cent. solution of euguform in acetone.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.