Definition of trihedron in English:

trihedron

Syllabification: tri·he·dron
Pronunciation: /trīˈhēdrən
 
/

noun (plural trihedrons or trihedra /-drə/)

  • A solid figure having three sides or faces (in addition to the base or ends).
    More example sentences
    • From now on, we will move trihedrons to restore their positions and colors, without moving dihedras.
    • A line making equal angles with the edges of a trihedron is called an isoclinal line of the trihedron.
    • If this antenna is perfect, the axes of the two trihedrons would be respectively parallel to each other.

Origin

early 19th century: from tri- 'three' + -hedron, on the pattern of words such as polyhedron.

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