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noun

amine

uh-MEEN
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Amine (noun) means an amine is a chemical group formed when one, two or three of the hydrogen atoms in ammonia are replaced by hydrocarbon or other groups. Example: “Amines are classed as primary, secondary or tertiary depending on how many hydrogen atoms have been replaced.”

noun
1
chemistry An amine is a chemical group formed when one, two or three of the hydrogen atoms in ammonia are replaced by hydrocarbon or other groups.
"Amines are classed as primary, secondary or tertiary depending on how many hydrogen atoms have been replaced."
"The compound contains an amine group, which affects how it reacts with acids."
"Chemists build many dyes and drugs around an amine group."
2
chemistry An amine is any organic compound that contains an amine functional group.
"The lab identified an amine among the reaction products."
"This drug belongs to a class of amines used in medicine."
"Amines turn up in a wide range of organic molecules."

How to use amine

Learner’s notes

In plain EnglishA chemical group or compound related to ammonia, made by swapping out some of its hydrogen atoms.

When to use it

This is a chemistry term and is rarely used outside scientific writing.

Memory tip

Link the spelling to ammonia, since amine is literally ammonia with part of it replaced.

Trace the full origin ↓
Easily confused with
ammine
Common pairings
primary amine secondary amine tertiary amine amine group amine functional group
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Fill the gap

Can you complete this real example?

_____ are classed as primary, secondary or tertiary depending on how many hydrogen atoms have been replaced.

Etymology

Amine is built from ammonia with the chemical suffix -ine added to it, showing the word's close link to that simpler compound.

Origin: English (from ammonia)

Rhymes for amine

See all rhymes for amine →

Frequently asked questions

What is an amine?
An amine is a chemical group or compound formed when hydrogen atoms in ammonia are swapped for hydrocarbon or other groups.
How do you pronounce amine?
It's said as "uh-MEEN", with the stress falling on the second syllable.
Where does the word amine come from?
It comes from joining "ammonia" with the chemistry suffix "-ine".
What is the meaning of amine?
"amine" (noun) means an amine is a chemical group formed when one, two or three of the hydrogen atoms in ammonia are replaced by hydrocarbon or other groups.