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trioxide

Upper-Intermediate (B2)

IPA: //traɪˈɒksaɪd//

KK: /traɪˈɒksaɪd/

noun
Definition

A chemical compound that has three oxygen atoms in each molecule.


Example

Sulfur trioxide is used in the production of sulfuric acid.


Conversation
Sloth A
Have you ever heard of trioxide compounds in chemistry?
Sloth B
Yeah, I think they contain three oxygen atoms, right?
Sloth A
Exactly! It's interesting how they can affect different reactions.
Sloth B
For sure, I love learning about how these elements interact.

Synonyms & Antonyms
Synonyms
oxide
Antonyms
Root Explanation

Trioxide is formed from "tri-" (meaning three) and "oxide" (from the Greek "oxys", meaning acid or sharp, and "-ide", a suffix used in chemistry to denote a binary compound). The word refers to a chemical compound containing three oxygen atoms.

Memory Tip

Think of 'tri-' meaning three, and 'oxide' referring to a compound with oxygen. This helps you remember that trioxide is a compound with three oxygen atoms.

Visually Confused Words
tritoxide
teroxide
trixie
tetroxide
trinode
dioxide
bioxide
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