IPA: //stɪˈeɪtɪtɪk//
KK: /stɪˈætɪtɪk/
Relating to a type of mineral called steatite, which is a soft, soapstone-like material.
The artist chose a steatitic stone for his sculpture because of its smooth texture.
Steatitic is derived from "steatite" (from Greek "steatites", meaning soapstone) and the suffix "-ic" (meaning pertaining to). The word "steatitic" refers to something that is related to or characteristic of steatite, or soapstone.
Think of 'steatite' which means soapstone, and remember that 'steatitic' describes something related to soapstone.