The prefix thio-, when applied to a chemical, such as an ion, means that an oxygen atom in the compound has been replaced by a sulfur atom. This term is often used in organic chemistry.

THIO definition: containing sulfur, especially in place of oxygen. See examples of thio used in a sentence.

The meaning of THI- is containing sulfur. How to use thi- in a sentence.

Definition of 'thio-' thio- in British English or before a vowel thi- combining form indicating that a chemical compound contains sulphur, esp denoting that a compound is derived from a specified compound by …

Mar 18, 2026 · Prefix thio- (chemistry) containing sulfur, especially a compound in which oxygen has been replaced by this element

Thio- definition: Containing sulfur, used especially of a compound in which oxygen has been replaced by a divalent sulfur.

Thio neutralizers contain sulfur compounds, usually in the form of thiosulfate or thionitrite, and work by converting harmful substances into non-toxic forms.

The prefix "thio" in the name of a polyatomic ion means that an oxygen atom in the root "ate" ion has been replaced by a sulfur atom. For example, the sulfate ion is SCfi2-, while the thiosulfate ion is …

Apr 16, 2026 · MAIA Biotechnology announces positive Phase 2 trial results for THIO-101 in advanced NSCLC, with promising efficacy and safety data.

The prefix thio- is a standard term in chemical nomenclature, derived from the Greek word for sulfur (théion), used to indicate the replacement of an oxygen atom with a sulfur atom in molecular …