Rhabarbarin is a mouthful of a word, but understanding its pronunciation is key to spelling it correctly. The IPA phonetic transcription for this word is [ˈʁa.baʁ.ba.ʁɪn]. The first syllable begins with a raspy 'r' sound, followed by a soft 'a' sound. The 'h' is silent, and the following syllables rhyme with 'barren'. This word refers to a compound found in rhubarb, a popular plant used in pies and other desserts. Remembering the correct spelling of rhabarbarin can help you in discussions about the chemistry and uses of rhubarb.