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trigonal

XDict

a. 三角的,三角形的,断面呈三角的

PyDict

三角的,三角形的,断面呈三角的

WordNet (r) 3.0 (2006) (WordNet)

trigonal
adj 1: having threefold symmetry [synonym: {rhombohedral},
{trigonal}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Trigonid \Tri"go*nid\
[Webster 1913 Suppl.] Trigonal \Trig"o*nal\, a.
Having three angles, or corners; triangular; as, a trigonal
stem, one having tree prominent longitudinal angles.
[1913 Webster]
[1913 Webster]

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英文字典中文字典相关资料:

Hexagonal crystal family - Wikipedia
In crystallography, the hexagonal crystal family is one of the six crystal families, which includes two crystal systems (hexagonal and trigonal) and two lattice systems (hexagonal and rhombohedral)
Trigonal system | Definition Facts | Britannica
trigonal system, one of the structural categories to which crystalline solids can be assigned The trigonal system is sometimes considered to be a subdivision of the hexagonal system
TRIGONAL Definition Meaning - Merriam-Webster
The meaning of TRIGONAL is of, relating to, or being the division of the hexagonal crystal system or the forms belonging to it characterized by a vertical axis of threefold symmetry
The 7 Crystal Systems (with Examples and Images)
There are 7 crystal systems in 3D, which directly connect to 32 point groups when adding mirror planes and inversion The 7 crystal systems are: Cubic, Hexagonal, Tetragonal, Trigonal, Orthorhombic, Monoclinic, Triclinic The crystal systems are listed in order of decreasing symmetry
What Does trigonal Mean? Definition Examples - Dictionary. net
Learn what trigonal means with clear definitions, pronunciation, synonyms, and real-world examples Simple explanations to help you use trigonal correctly
TRIGONAL Definition Meaning | Dictionary. com
TRIGONAL definition: of, relating to, or shaped like a triangle; having three angles; triangular See examples of trigonal used in a sentence
10. 2: VSEPR Theory - The Five Basic Shapes - Chemistry LibreTexts
In molecular geometries that are highly symmetrical (most notably tetrahedral and square planar, trigonal bipyramidal, and octahedral), individual bond dipole moments completely cancel, and there is no net dipole moment
Bond angles chart with Examples - VSEPR Chart - Topblogtenz
In this article, we will show the ideal bond angles chart for each type of VSEPR (AXE) notation By the end, you’ll be able to identify the ideal bond angles for common geometries like linear, bent, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral
trigonal - Wiktionary, the free dictionary
Adjective trigonal (comparative more trigonal, superlative most trigonal) Having three angles and three sides, triangular (crystallography) Of or pertaining to a crystal system with three equal and equally inclined but not perpendicular axes (anatomy) Relating to the trigone
What does TRIGONAL mean? - Definitions. net
While commonly confused, the trigonal crystal system and the rhombohedral lattice system are not equivalent (see section crystal systems below) In particular, there are crystals that have trigonal symmetry but belong to the hexagonal lattice (such as α-quartz)

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