[{"Bold_text": "verb (used with object)", "List Items": ["to form or mark differently other such things; distinguish.", "to change; alter.", "to perceive the difference or between.Synonyms: separate", "to make different modification, as a biological species.", "Mathematics.to obtain the differential the derivative ."]}, {"Bold_text": "verb (used without object)", "List Items": ["to become unlike or dissimilar; change in character.", "to make a distinction.", "Biology.(of cells or tissues) to change from relatively generalized to specialized kinds, during development."]}]