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echo
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tetrahedron
tetrahedron /ˌtɛtrəˈhiːdrən/
noun
-
Any polyhedron having four plane faces
(
tetrahedron
)
any polyhedron having four plane faces
A pyramid is a type of tetrahedron with a triangular base.
A pyramid is a type of tetrahedron with a triangular base.
logistician
logistician /loʊdʒɪˈstɪʃən/
noun
-
A person skilled at symbolic logic
(
logician
, logistician
)
a person skilled at symbolic logic
porkpie hat
porkpie hat /ˈpɔːrkpaɪ hæt/
noun
-
Man's hat with a low, flat crown and a snap brim
(
porkpie
, porkpie hat
)
man's hat with a low, flat crown and a snap brim
food colouring
food colouring /fuːd ˈkʌlərɪŋ/
noun
-
[Canadian, British]
A digestible substance used to give color to food
(
coloring
[American] , colouring
[Canadian, British] , food color
[American] , food coloring
[American] , food colour
[Canadian, British] , food colouring
[Canadian, British] )
a digestible substance used to give color to food
Food color made from vegetable dyes
food color made from vegetable dyes
