[ad. F. stratiforme, as if ad. L. type *strātiformis, f. strātum: see STRATUM and -FORM.]
1. Geol. Disposed in the form of strata; showing apparent stratification.
1805. [S. Weston], Werneria, 8. Concrete carbonate of lime … is fistular, or in pipes or cylinders, or strati-form in layers.
1811. Pinkerton, Petral., I. 91. The other formation belongs to his [Werner’s] Floetz, horizontal, or stratiform rocks.
1839. De la Beche, Rep. Geol. Cornwall, etc. vi. 163. This tendency to be divided or cleave in a stratiform manner is highly deceptive.
1856. Page, Adv. Text-bk. Geol., xx. (1876), 416. But as we descend … we find stratiform layers of shells.
1883. R. D. Irving, in 3rd Ann. Rep. U.S. Geol. Surv., 118. Seven layers of stratiform amygdaloid running from 3 to 20 feet in thickness.
2. Forming or formed into strata or layers; spec. in stratiform cartilage, ‘cartilage covering the bone in an osteo-aponeurotic canal for a tendon’ (Syd. Soc. Lex., 1898).
1834. Good’s Study Med. (ed. 4), II. 555. A very thin layer spread over serous membranes, the stratiform, or membraniform, melanosis.
1847. Todd’s Cycl. Anat., IV. 104/2. Stratiform deposition is that occurring on serous surfaces in layers.
1871. T. H. Green, Introd. Pathol., ii. 12. The punctiform and stratiform redness of hyperæmia.
So † Stratiformed a. Geol. (see quot.).
1811. Pinkerton, Petral., I. Introd. p. xxix. A stratified rock [in Werner’s nomenclature] implying that the strata are of one and the same substance; while the Floetz … often present beds of different substances. But this distinction is not of such utility or importance as to necessitate the introduction of a barbarous word; and if stratified be not precise, we may use stratiformed with Daubuisson.
