IPA: //sʌlˈfɒnɪk//
KK: /sʌlˈfɒnɪk/
Relating to a specific chemical group that contains sulfur and oxygen, often used in chemistry to describe certain compounds.
The researchers synthesized a new sulfonic compound for their experiment.
Sulfonic is derived from "sulfon" (from the Latin "sulfur", meaning sulfur) and the suffix "-ic" (meaning pertaining to). The term "sulfonic" refers to compounds that are related to or derived from sulfur compounds, particularly those containing the sulfon group.
Think of 'sulfur' as the base element, and remember that 'sulfonic' means pertaining to compounds that involve sulfur.