IPA: //ˈtɛtrɒksɪd//
KK: /tɛtrɒksɪd/
A type of chemical compound that contains four oxygen atoms in its molecular structure.
Ruthenium tetroxid is used in various chemical reactions due to its unique properties.
Tetroxid → It is formed from "tetra-" (from Greek "tetra", meaning four) and "oxide" (from Greek "oxys", meaning sharp or acid, and "-ide", a suffix used in chemistry to denote a binary compound). The word "tetroxid" refers to a compound containing four oxygen atoms.
Think of 'tetra-' meaning four, and 'oxide' relating to oxygen — so tetroxid is a compound with four oxygen atoms.