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 (stĕr′ĭk, stîr′-) also ster·i·cal (-ĭ-kəl)
Of or relating to the spatial arrangement of atoms in a molecule.

ster′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈstɛrɪk; ˈstɪər-) or


(Chemistry) chem of, concerned with, or caused by the spatial arrangement of atoms in a molecule
[C19: from stereo- + -ic]
ˈsterically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈstɛr ɪk, ˈstɪər-)

of or pertaining to the spatial relationships of atoms in a molecule.
[1895–1900; ster (eo)- + -ic]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
From the standpoint of nanomedicine, the antibody in ADC structure acts as a self-targeting nanoscale carrier (1-3), thus, it could overcome the issues associated with nanomedicines based on synthetic nanomaterials such as cellular internalization, clearance, sterical hindering of binding to the epitopes and failing to release into targeted cells (4).
This can be accomplished by the bulk molecular imprinting approach in which the template molecule provides the sterical and chemical qualities as well as the diffusion path for the subsequent recognition of the analytes [27].
[170] studied the sterical and electrostatic stability of a high suspension self-prepared CuO nanofluid, of an average particle size of 60 nm and 0.01 wt% nanoparticle concentration, without the addition of any dispersant.
The observed difference in immune-modulating capacity between the different dual TLR2/7 ligands might be explained by sterical hindrance of ligand binding to TLR2 and TLR7 induced by the conjugation.
In the present paper, a unique combination of azimuth and zenith angle is called a sterical pixel.
These overall sterical differences can explain the different performance of the two Sennoside stereoisomers.
On the other hand, a longer strand of a radical, such as in 5-(C11-Aminoallyl)-2'-Deoxyuridine-5'-Triphosphate, also increases the possibility of sterical complications, which can be clearly seen in the electropherogram, where the nucleotide with that modification was virtually not recognized by the Taq-polymerase (the polymerase of A family).
The higher stability to boiling water can be ascribed to the lower reactivity of isosorbide toward esterification, trans-esterification, and hydrolysis reactions due to the sterical hindrance of the hydroxylic groups.
The seemingly low iodine rate (13.06) for the composition of the castor oil might be due to sterical impediment.
But this New Year our collective sense of ugliness is justified as hy sterical demands to ban hordes of swarthy foreigners from coming here are heard by a bemused outside world.
In the presence of tc, Bla activity was reduced by a factor of 2.6, indicating that the tc-bound aptamer interferes with translation of the bla mRNA, probably by sterical hindrance of the recognition of the RBS.