Urticariaâthe scientific name for hivesâis an outbreak of red, swollen, and itchy welts that form on the skin. Hives appear suddenly and can appear anywhere on the body, including the face, lips and throat. They typically vary in size, and may join together to form larger welts.
Define effectivity. effectivity synonyms, effectivity pronunciation, effectivity translation, English dictionary definition of effectivity. adj. 1. a. Having an intended or expected effect. b. Producing a strong impression or response; striking: gave an effective performance as Othello.
Objectivity (philosophy) Not to be confused with Objectivism (Ayn Rand). Objectivity is a central philosophical concept, related to reality and truth, which has been variously defined by sources. Generally, objectivity means the state or quality of being true even outside of a subject's individual biases, interpretations, feelings, and imaginings.