celloid,a.|ˈsɛlɔɪd| [f. cell + -oid.] Having the appearance of a cell, cell-like. 1849–52Todd Cycl.Anat. IV. 1108/1 The epithelium consisted of small imperfect celloid particles.1861N. Syd. Soc.Year-bk. 136 There are certain nuclean or celloid bodies.