IPA: //ˈstrɒntɪk//
KK: /strontɪk/
Relating to strontium, a chemical element; used to describe substances or compounds that contain strontium.
The strontic compounds were used in the experiment to study their properties.
Strontic is derived from 'strontium' (from the name of the village Strontian in Scotland, where the mineral was first discovered) and the suffix '-ic' (meaning pertaining to). The word 'strontic' refers to something that is related to or derived from strontium.
Think of 'strontium' as the source of the word, and remember that 'strontic' means pertaining to strontium.