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pentoxide

Upper-Intermediate (B2)

IPA: //ˈpɛntaɪˌsaɪd//

KK: /pɛnˈtɒksaɪd/

noun
Definition

A chemical compound that consists of five oxygen atoms bonded to another element or group.


Example

Pentoxide is often used in various chemical reactions and processes.


Conversation
Sloth A
Have you heard about pentoxide compounds in chemistry?
Sloth B
Yeah, I think they have five oxygen atoms in their structure, right?
Sloth A
Exactly! I find it fascinating how these compounds work.
Sloth B
Me too! It’s interesting to see how they interact with other elements.

Synonyms & Antonyms
Synonyms
oxide
Antonyms
Root Explanation

Pentoxide → It is formed from "penta-" (from Greek "pente", meaning five) and "oxide" (from Latin "oxydum", meaning acid or oxygen compound). The word "pentoxide" refers to a chemical compound containing five oxygen atoms.

Memory Tip

Think of 'penta-' meaning five, and 'oxide' referring to an oxygen compound — so pentoxide is a compound with five oxygen atoms.

Visually Confused Words
phenoxide
phenoxid
peroxide
ethoxide
penide
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