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.
Use conductivity in a sentence. LINK / CITE ADD TO WORD LIST. noun. The definition of conductivity is the ability to transmit heat, sound or electricity. An example of conductivity is heat transferring from hot pot of soup to a metal ladle sitting in the pot.he definition of conductivity is the ability to transmit heat, sound or electricity. An example of conductivity is heat transferring from hot pot of soup to a metal ladle sitting in the pot.