1 Allergy/Immunology-the diagnosis and treatment of allergic and immunologic diseases, including asthma, hay fever, hives, eczema, and drug and food allergies. 2  Anesthesiology-the administration of medications as a means to block pain or diminish consciousness for surgery, usually by injection or inhalation.
Freebase(0.00 / 0 votes)Rate this definition: Minera. Minera is a small village, and a local government community, the lowest tier of local government, part of Wrexham County Borough in Wales. The community, which in addition to Minera village includes a number of smaller hamlets such as Gwynfryn and New Brighton and large areas of farmland, had a total population of 1,608 at the 2001 census.
Founded in 1849, the city was renamed Ciudad Porfirio DÃ­az in 1888, in homage to President Porfirio DÃ­az. It reverted to its original name following the Mexican Revolution. In Spanish Piedras Negras translates to black stones â a reference to coal deposits in the area. Across the river, coal was formerly mined on the US side at Dolchburg, near Eagle Pass. This mine closed around 1905, after a fire.