ScienceAugust 16, 2026

tetrahedral

teh-truh-HEE-druhl

Definition

Relating to or having the shape of a tetrahedron, a solid figure with four triangular faces, often used to describe the spatial arrangement of molecules.

Etymology

Derived from the Greek 'tetra' meaning four and 'hedra' meaning seat or base, describing the four-sided geometry of a pyramid-like structure.

In the news

The article uses the term to describe the specific geometric network that water molecules naturally form, which provides the stable structure necessary for biochemical reactions in living cells.

We assume the deepest parts of the ocean are dark and empty, but the walls of the Mariana Trench hold snailfish drifting five miles down under pressure equivalent to a car pressing on every square centimetre of skin, their bones half-dissolved into cartilage so

Read the full article ↗

ScienceBlog.com

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