alpha position

alpha position

[′al·fə pə‚zish·ən]
(organic chemistry)
In chemical nomenclature, the position of a substituting group of atoms in the main group of a molecule; for example, in a straight-chain compound such as α-hydroxypropionic acid (CH3CHOHCOOH), the hydroxyl radical is in the alpha position.
References in periodicals archive ?
A marauding male doesn't know how long he's going to be in the alpha position, so he really needs to hurry up and start producing babies if he is going to have any hope of protecting them long enough to see them into adulthood," she said.
Most correspondents tell me how they are maintaining their alpha position over the dog because that is how wolves do it.
Note that, in this view, the Abrahamic religions can work to support egalitarian values only if "God" assumes the dominant alpha position and all competition is suppressed, including the charismatic preachers so beloved by American Protestants.
The most susceptible group is the methyl group in the alpha position to the ether oxygen, which undergoes oxidation, causing eventual chain cleavage, leading to a significant reduction in molecular weight at the surface and eventual surface fissuring.