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Drug slang A regional term for marijuana
Imaging A descriptive term for the incomplete filling and parallel spiculation of plical folds seen in radiocontrast studies of the small intestine—which is most striking in the jejunum, given the prominence of plical folds—which corresponds to a thickening of the wall by either intramural haemorrhage or haematoma, related to anticoagulants, blood dyscrasia, trauma, Meckel’s diverticulum, endometriosis, or infiltration of the intestinal wall, as in lymphoma
Sports medicine Body-building noun A large amount of performance-enhancing drugs (anabolic steroids) verb To ingest or inject a large amount of anabolic steroids to increase one’s muscle mass

stack

(stăk) [ME. stak]
1. To place objects directly on top of others.
2. To perform a procedure immediately after a preceding one, without interruption or pause.

stack

(stak)
To build up porcelain in the shape of a tooth in the fabrication of a tooth crown.

stack,

n a set of metal strips that is inserted into ultrasonic and sonic instruments. A stack converts magnetic fields into vibrations that move the tip of the instrument.
References in periodicals archive ?
The stack up of tolerances has been done by both technique i.
The finishing of the 100 Pile Up units constructed to date and the 40 Stack Up units currently under construction illustrate the wide range of possibilities offered by the open building structure.
In its lead article, "Blue Chips Stack Up on Nanotech," the newsletter surveys different ways that large-cap companies promote the commercialization of nano-enhanced products.