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reductant

Upper-Intermediate (B2)

IPA: /rɪˈdʌktənt/

KK: /rɪˈdʌktənt/

noun
Definition

A substance that causes another substance to be reduced in a chemical reaction, often by donating electrons.


Example

In the reaction, hydrogen acts as a reductant, helping to convert metal oxides into pure metals.


Conversation
Sloth A
Have you heard about the role of a reductant in chemical reactions?
Sloth B
Yeah, it’s interesting how it donates electrons to other substances.
Sloth A
Exactly! It’s fascinating how reducing agents work in different processes.
Sloth B
I know, right? They really play a crucial role in chemistry.

Synonyms & Antonyms
Synonyms
reducer
agent
donor
Antonyms
oxidant
oxidizer
acceptor
Root Explanation

Reductant → It is formed from "re-" (meaning again) and "ducere" (meaning to lead). The word refers to a substance that leads to a reduction in another substance, often in a chemical reaction.

Memory Tip

Think of something that 'leads again' to a reduction — 're-' means again, and 'ducere' means to lead, which helps you remember that a reductant causes a decrease in another substance.

Visually Confused Words
reluctant
reactant
unreluctant
resuscitant
reluctantly
recant
irreluctant
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