[ad. late L. substrātio, -ōnem, n. of action f. substrāt-, substernĕre (see SUBSTRATE a.).]
† 1. The prostration of the class of penitents known as substrati; also, the place where these penitents knelt. Obs.
1659. H. L’Estrange, Alliance Div. Off., 320. This place was called ὑπόπτωσις Substration, because there they did … throw themselves down to receive the Priests blessing.
1716. M. Davies, Athen. Brit., II. 254. The different degrees of Penitential Fletion, Audition, Substration and Consistence, or Standing together with the Orthodox Flock.
2. A hypothesis.
1830. Blackw. Mag., XXVIII. 256. Theory is = Ordination. Hypothesis is = Substration.
