Racinage is a word that originates from the French language, used to refer to the process of refining or purifying a substance such as oil or petroleum. The spelling of this word can be confusing, as the initial syllable is pronounced as "rah" rather than "ray." The IPA phonetic transcription for racinage is /ra.si.naʒ/, with a silent 'g' at the end. This word may not be commonly used in everyday conversation, but is important in industries such as oil refining.