tetrahedral
[te-truh-hee-druh l]
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adjective
pertaining to or having the form of a tetrahedron.
having four lateral planes in addition to the top and bottom.
Origin of tetrahedral
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for tetrahedral
Historical Examples of tetrahedral
The young spores (G, H) are nearly colorless and are tetrahedral (like a three-sided pyramid) in form.
Elements of Structural and Systematic BotanyDouglas Houghton Campbell
Polar spines very thick and short, tetrahedral, one-fourth as long and broad as the major axis.
To the south, 27 E., is a tetrahedral peak, which our guide called Ngoma-dingding.
Trans-Himalaya, Vol. 2 (of 2)Sven Hedin
The tetrahedral or Reye complex is the simplest and best known of proper quadratic complexes.
In Peripatus capensis the organ in question can hardly be described as tetrahedral.
The Works of Francis Maitland Balfour, Volume 1Francis Maitland Balfour