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单词 dihedral angle
释义

dihedral angle in British English

(daɪˈhiːdrəl ˈæŋɡəl)
noun
another name for dihedral
 

dihedral in British English

(daɪˈhiːdrəl)
adjective
1. 
having or formed by two intersecting planes; two-sided
a dihedral angle
noun
2.  Also called: dihedron, dihedral angle
the figure formed by two intersecting planes
3.  the US name for corner (sense 2)
4. 
the upward inclination of an aircraft wing in relation to the lateral axis
Compare anhedral

dihedral angle in American English

noun Geometry
1. 
the angle between two planes in a dihedron
2. 
dihedron
Word origin
[1820–30]This word is first recorded in the period 1820–30. Other words that entered Englishat around the same time include: acetate, analogue, karma, myth, phonetic

Examples of 'dihedral angle' in a sentence
dihedral angle

The benzene rings are almost coplanar [dihedral angle = 1.36 (7)°].
Md. Lutfor Rahman, Mashitah Mohd. Yusoff, Jamil Ismail, Huey Chong Kwong, Ching KhengQuah 2014, 'Crystal structure of (E)-4-{2-[4-(allyloxy)phenyl]diazenyl}benzoic acid', Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536814023745. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These rings make a dihedral angle of 49.75 (11)°.
T. Mohandas, M. Velayutham Pillai, T. Vidhyasagar, A. Pasupathy, P. Sakthivel 2014, 'Methyl ({[(4E)-1,3-dimethyl-2,6-diphenylpiperidin-4-ylidene]amino}oxy)acetate', Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536814006667. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The benzene rings subtend a dihedral angle of 48.4 (2)°.
M. Umadevi, P. Raju, R. Yamuna, A. K. Mohanakrishnan, G. Chakkaravarthi 2015, 'Crystal structure of ethyl 2-phenyl-9-phenylsulfonyl-9H-carbazole-3-carboxylate',Acta Crystallographica Section E: Crystallographic Communicationshttp://scripts.iucr.org/cgi-bin/paper?S205698901501662X. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The thiazole ring forms a dihedral angle of 81.3 (1)° with the benzene ring.
N. L. Prasad, M. S. Krishnamurthy, H. Nagarajaiah, Noor Shahina Begum 2014, 'Crystal structure of 2-acetyl-5-(3-methoxyphenyl)-3,7-dimethyl-5H-1,3-thiazolo[3,2-a]pyrimidine-6-carboxylate',Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536814023162. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
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更新时间：2024/12/22 14:10:17