sb. (and a.). [f. late Gr. χριστἀδελφός in brotherhood with Christ (f. Gr. Χριστ-ός CHRIST + ἀδελφός brother) + -IAN.] (pl.) A religious sect founded in the United States by Dr. Thomas in 1833; also called THOMASITES. b. as adj. Of or belonging to the Christadelphians. Hence Christadelphianism.
1873. in Whitaker’s Almanack, 162.
1876. C. M. Davies, Unorth. Lond., 142–4 (heading) The Christadelphians…. A visit or two to the Christadelphian ‘Ecclesia.’… The Christadelphian body…. The history of Christadelphianism.
1879. Chr. World, 28 Feb. A Christadelphian and a writer on prophecy.
