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
In both aldehydes and ketones, the geometry around the carbon atom in the carbonyl group is trigonal planar; the carbon atom exhibits sp2 hybridization.
From Textbooks ● Feb. 14, 2019
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
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 William MacGillivray
