What is another word for quartic?
Pronunciation: [kwˈɔːtɪk] (IPA) 
The term "quartic" refers to something that relates to the fourth degree, which is equivalent to a polynomial with a highest power of four. Some synonyms for "quartic" are tetradic, quadric, and fourth-power. Additionally, it can be described as a function that has four terms when written in expanded form, or as a curve that is represented by an equation of this degree. Some synonyms for this definition could be fourth-degree function or fourth-degree curve. The term "quartic" is also used in music to describe a musical composition that is made up of four distinct voices or parts. An alternative term for this definition could be four-part harmony.
