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- n. Plural form of icosahedron.
Sorry, no etymologies found.
Clathrins, located at the tips of microtubules, are truncated icosahedra, abuzz with golden ratios.
Virus coats cannot form exact spheres, but they do the best they can: icosahedra are made from 20 triangles, each an array of protein units, like the balls at the start of a game of pool.
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