cat unit

cat u·nit

the dose of a drug (per kilogram of body weight of cat), which is just large enough to kill a cat when administered intravenously; was applied in the standardization of digitalis materials.
The minimum amount of a substance (expressed in g/kg) which is lethal to cats when injected intravenously; in practice, the LD50 used to evaluate acute toxicity is usually measured in rats and mice, and less commonly in rabbits and dogs

cat unit

The amount of drug per kilogram of body weight just sufficient to kill a cat when injected intravenously slowly and continuously.
References in periodicals archive ?
O'Malley, Tosco's Chairman and Chief Executive Officer, said, "Given the current sustained low margin environment resulting from high inventories and the third mild winter in a row in the Northeast, we decided to move up the Bayway Cat Unit turnaround which we had previously planned to take in the third quarter of 1999.
Said Twomey, "ATV units sales amount to about one-half of total Arctic Cat unit sales as we continue our strategy to lessen the company's reliance on snow-dependent snowmobile sales.
More than 40 Cat units will be making an appearance, several of which will be newcomers.
Another option for remote service, however, would be mobile cat units, hotel rooms or short-term rented office space, which also can serve as command centers.