Before taking carvedilol, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Learner's definition of CONCRETE. [noncount] : a hard, strong material that is used for building and made by mixing cement, sand, and broken rocks with water. slabs of concrete.
1. uncountable noun. Concrete is a substance used for building which is made by mixing together cement, sand, small stones, and water. The posts have to be set in concrete. They had lain on sleeping bags on the concrete floor. ...concrete barriers.