trigonal

Example Sentences

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In typical alkenes, the carbons adopt a trigonal planar geometry, creating a flat structure around the double bond.

From Science Daily • Jan. 23, 2026

They believed the reason trigonal chloride electrolytes can achieve low ionic conductivity is based on the variation of metal ion arrangements within the structure.

From Science Daily • Nov. 2, 2023

Silicon’s empty d orbitals and boron’s empty p orbital enable tetrahedral silicon compounds and trigonal planar boron compounds to act as Lewis acids.

From Textbooks • Feb. 14, 2019

These nonpolar molecules contain boron with sp2 hybridization and a trigonal planar molecular geometry.

From Textbooks • Feb. 14, 2019

Beak acute; lower mandible trigonal, ascending; upper three cornered, straight: 1 species.

From Lives of Eminent Zoologists, from Aristotle to Linnæus with Introductory remarks on the Study of Natural History by MacGillivray, William