tứ diện
التعريفات والمعاني
== Vietnamese ==
=== Etymology ===
Sino-Vietnamese word from 四面 (“four sides”).
=== Pronunciation ===
(Hà Nội) IPA(key): [tɨ˧˦ ziən˧˨ʔ]
(Huế) IPA(key): [tɨ˨˩˦ jiəŋ˨˩ʔ]
(Saigon) IPA(key): [tɨ˦˥ jiəŋ˨˩˨]
=== Noun ===
tứ diện
(geometry) tetrahedron
==== Derived terms ====
hình tứ diện (counting its faces and edges only)
khối tứ diện (counting as a solid that has a volume)