definition of ecclesiology
â¢ ECCLESIOLOGY (noun). The noun ECCLESIOLOGY has 1 sense: 1. the branch of theology concerned with the nature and the constitution and the functions of a church. Familiarity information: ECCLESIOLOGY used as a noun is very rare. Dictionary entry details.
etiology. Definitions: 1. The science and study of the causes of disease and their mode of operation. 2. The science of causes, causality; in common usage, the cause itself. The definition information for etiology is provided by Stedman's. You can search our medical dictionary here.