(stress var.), a. Having two sides, bilateral; fig. having two parts or aspects. Hence Two-sidedness.
1860. [Anne Beale], Country Landlords, I. iii. 76. I don’t much like his appearance, he has such a two-sided face.
1863. Tyndall, Heat, xv. § 755 (1870), 522. A kind of two-sidedness. Ibid. (1869), Notes Lect. Light, iii. (1873), 116. The two-sidedness of that [polarized] light, in contrast to the all-sidedness of ordinary light.
1884. Bower & Scott, De Bary’s Phaner., 409. To the second type belong … flat horizontal leaves…. The chlorophyll-parenchyma … is severed into two different layers, each of which corresponds to one surface of the leaf. It may accordingly be termed the two-sided, the bifacial type.
1896. Mrs. Caffyn, Quaker Grandmother, 192. It’s … in this case a two-sided custom.
