surfel /ˈsɜː(ɹ)fəl/noun 1verb 1forms 3 noun1 •A unit square between voxels. verb1 •(no longer used) To wash with a cosmetic water, said by some to be prepared from sulphur.She shall no oftener powder her hair, [or] surfel her cheeks, […] but she shall as often gaze on my picture. — 1633 formssurfelled · surfelling · surfels
