Curvations is a plural form of the word "curvation". The IPA phonetic transcription for "curvations" is /kɜːrˈveɪʃənz/. The word "curvation" is derived from the verb "curve" and it refers to a bent or curved form or shape. The plural form of "curvation" is formed by adding the suffix "-s" to the end of the word. Understanding the use of IPA phonetic notation can help in correct spelling and pronunciation of words, especially those with complex sounds.