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 ?
Supported by a plinky, staccato piano introduction, a drifty oceanic guitar and a beautiful, if repetitive, chorus, Ashcroft's voice lilts on the cusp this track in a desperate plea (possibly for a few more lyrics).
The Orb started off well, allfloaty drifty with dub basslines and astronauts, but within the space of three albums have descended into a self-indulgent fug.
The whole movie is by this point as drifty as seaweed in a lulling current.
"Further profit taking across both markets after drifty US markets overnight and upcoming Q1 results," said Matthew Wakeman, managing director of cash and equity linked trading at EFG-Hermes.
First hits: McPhatter, Pinkney, Gerhart, Andrew and Ferbee; Drifty fifties: From left, Ben E King, Bill Pinkney, Rudy Lewis and Johnny More; Soul out concerts: Peter Lamarr, Victor Bynoe, Patrick Alan and Rohan Delano are touring Britain just days after motorway car smash