copperas


Also found in: Dictionary, Encyclopedia, Wikipedia.

cop·per·as

(kop'er-as),
The impure commercial variety of ferrous sulfate.

copperas

(kŏp′ər-əs)
n.
A green, crystalline heptahydrate mineral of ferrous sulfate, FeSO4·7H2O. Also called green vitriol.

copperas

(kop'e-ras) [L. (aqua) cuprosa, coppery (water)]
An impure form of ferrous sulfate formerly used as a disinfectant, deodorizer, and a treatment for iron deficiency.
See: ferrous sulfate
Mentioned in ?
References in periodicals archive ?
We have taken time to develop the plans for the regeneration of Copperas Hill and we believe we have now arrived at the right approach.
A spokesperson for LJMU said: "We remain positively committed to developing exciting plans for Copperas Hill, which will be a major catalyst for our students and the city.
After they made the arrests in Copperas Street police searched a nearby garage.
The University says it still has "exciting plans" for Copperas Hill - but, in the meantime, it is clearing the site.
Royal Mail announced plans to close the city's Copperas Hill centre in 2008, and the final shift was due to be this weekend.
The Royal Mail's former sorting office, on Copperas Hill, is being knocked down, and images show how well work is progressing.
Major organization : COPPERAS COVE, CITY OF - FINANCE DEPARTMENT
Once the Copperas Hill sorting office closes in October, mail will no longer be franked in the city.
PLANS for a PS100m John Moores University development at the former Royal Mail sorting office on Copperas Hill have been scrapped.
The walk-out on Friday was over an escalating row over "teething problems" after recently moving from the Copperas Hill sorting office, which is due for closure.