Learner's definition of CHEMICAL. 1. : of or relating to chemistry. a chemical analysis. chemical elements/bonds. They studied the compound's chemical structure/composition/properties. a chemical laboratory.
What is quasense? Uses: This medication is a combination of 2 hormones (an estrogen and a progestin) and is used to prevent pregnancy. It works mainly by preventing the release of an egg (ovulation) during your menstrual cycle.
An oven or heating chamber used in the estufagem process for making Madeira or Sherry. Estufagem: A winemaking process peculiar to the making of Madeira and sometimes used in the making of Sherry. This process consists of heating the otherwise finished wine in an oven (estufa) for a prolonged period.