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

(drift)
1. slow movement away from the normal or original position.
2. a chance variation, as in gene frequency between populations; the smaller the population, the greater are the chance random variations.

radial drift  see under deviation.
ulnar drift  see under deviation.

drift

Etymology: AS, drifan, to move forward
a gradual movement away from the original position. See also antigenic drift, genetic drift.

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.

drift,

drift

chance variation; in genetics, the random changes in gene frequencies in a population.

antigenic drift
see antigenic drift.
drift lambing
a strategy in which ewes which have lambed are periodically removed from a flock of lambing ewes by moving the unlambed ewes on to the next paddock or field.
References in periodicals archive ?
The markets have done pretty well to consolidate -- we're probably four weeks away from major earnings results and it will be sideways and drifty until then," Matthew Wakeman, EFG-Hermes managing director for cash and equity-linked trading, told Reuters.
Cadbury's worm episode, Coca-Cola's debacle in India after pesticides residue, however drifty it was, could not touch the core values of the brands and they have survived such onslaughts is despite negative publicity in the press.
We do these odd kind of drifty plays that can be cut up and recombined pretty easily.