Consensus definitions in research refer to definitions that have been agreed upon and accepted by a majority of experts in a particular field. These definitions are often established through a formal process of consensus building, in which experts review and discuss the definition, consider different perspectives, and come to a collective agreement on the most accurate and appropriate way to define a concept or phenomenon. Consensus definitions are important in research as they help to ensure consistency and clarity in communication, facilitate comparison and replication of studies, and promote a common understanding among researchers and practitioners in a particular field.