Definitions
from The Century Dictionary.
- noun A pair.
from the GNU version of the Collaborative International Dictionary of English.
- adjective obsolete A pair.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective chemistry Describing identical
atoms orgroups attached to the same atom in amolecule
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word geminal.
Examples
-
If a pair of geminal protons (CH2) cannot be interchanged through a symmetry operation of the molecule, then these protons are diastereotopic and are NOT chemically equivalent. e.g. the β-methylene protons of amino acids where the methylene group is attached to chiral C
Citizendium, the Citizens' Compendium - Recent changes [en] 2009
-
If a pair of geminal protons (CH2) cannot be interchanged through a symmetry operation of the molecule, then these protons are diastereotopic and are NOT chemically equivalent. e.g. the β-methylene protons of amino acids where the methylene group is attached to chiral C
Citizendium, the Citizens' Compendium - Recent changes [en] 2009
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.