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accede
absorptance
masochism
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ab
awkwardness
harbor
faff
threat
acanthus family
complacency
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icosahedron
icosahedron
/ˌaɪkoʊsəˈhiːdrən/
noun
Any polyhedron having twenty plane faces
(
icosahedron
)
any polyhedron having twenty plane faces
A standard 20-sided dice is an example of an icosahedron.
A standard 20-sided dice is an example of an icosahedron.
ephemerid
ephemerid
/ɪˈfɛmərɪd/
noun
Short-lived insect
(
ephemerid
,
ephemeropteran
)
short-lived insect
paediatrics
paediatrics
/piːdiːˈætrɪks/
noun
[Canadian, British]
The branch of medicine concerned with the treatment of infants and children
(
paediatrics
[Canadian, British]
,
pediatric medicine
[ N. American]
,
pediatrics
[ N. American]
,
pedology
[ N. American]
,
paediatric medicine
[Canadian, British]
)
the branch of medicine concerned with the treatment of infants and children
The paediatrics department is busy with young children getting their vaccinations
The paediatrics department is busy with young children getting their vaccinations
achromatic lens
achromatic lens
/ˌeɪkrəˈmætɪk lɛnz/
noun
A compound lens system that forms an image free from chromatic aberration
(
achromatic lens
,
achromat
)
a compound lens system that forms an image free from chromatic aberration
The scientist used the achromatic lens in his telescope to obtain images without chromatic aberration.
The scientist used the achromatic lens in his telescope to obtain images without chromatic aberration.
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