drift

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drift

 [drift]
1. slow movement away from the normal or original position.
2. a chance variation, as in gene frequency from one generation to another; the smaller the population, the greater are the random variations.
antigenic drift relatively minor changes in the antigenic structure of a virus strain, probably resulting from natural selection of variants circulating among an immune or partially immune population. See also antigenic shift.
ulnar drift ulnar deviation.

drift

(drift),
1. A gradual movement, as from an original position.
2. A gradual change in the value of a random variable over time as a result of various factors, some random and some systematic effects of trend, manipulation, etc.

drift

Orthopedics See Pronator drift Virology Antigenic drift, see there.

drift

(drift)
1. A gradual movement, as from an original position.
2. A gradual change in the value of a random variable over time as a result of various factors, some random and some systematic effects of trend or manipulation.

drift

see RANDOM GENETIC DRIFT.

drift

(drift)
In dentistry, movement of teeth usually medially due to loss of adjacent teeth or wear of proximal surfaces.
Synonym(s): mesial drift, migrating teeth.
References in periodicals archive ?
The relationship of wind drifted patterns to flying waterfowl is a complicated one.
Nissan Middle East has set a new Guinness World Records title for the longest twin vehicle drifting as two Nissan Z cars drifted around a track at the same time without stopping for 28.52 km at an event in Kuwait.
I also drifted in Lebanon a bit, took it step by step. So that also helped - you can drift everywhere in Lebanon, not like here.
In examining the two Marlin M 70 schematics we have on file it appears the barrel retaining pin must be drifted out.
It found, in certain conditions, herbicide drifted more than 20 miles off target.
"This time we're running the track backwards - we've never drifted this section before.