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Beginning
1
Pronunciation
2
Noun
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2.1
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molecule
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From Wiktionary
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The
Simple English Wikipedia
has an article on:
Molecule
Pronunciation
[
change
]
(
UK
)
IPA
(
key
)
:
/ˈmɒləkjuːl/
(
US
)
IPA
(
key
)
:
/ˈmɑləkjul/
Audio (UK)
(
file
)
Hyphenation
: mol‧e‧cule
Noun
[
change
]
Singular
molecule
Plural
molecules
Structural formula and two molecule models of
caffeine
.
(
countable
) (
physics
) A
molecule
is the smallest part of a substance.
Synonym:
fragment
A water
molecule
is made of two
hydrogen
atoms
and one
oxygen
atom.
Related words
[
change
]
molecular
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