1909 M. W. Stryker in R. Scott & W. C. Stiles IX. 117 It is no quasi-hypothesis but a valid ‘hypostasis’; a substructional understanding of the unseen and eternal.
1990 J. O'M. Bockris et al. in G. M. Eckert et al. ii. 78 The nerve impulse..is generated across the membrane which is a complicated substructional medium.