planituden.

Brit.

/ˈplanᵻtjuːd/,

/ˈplanᵻtʃuːd/, U.S.

/ˈplænəˌt(j)ud/

Origin: A borrowing from Latin. Etymon: Latin planitudo.

Etymology: < post-classical Latin planitudo level surface (6th cent. in Boethius) < classical Latin plānus plain adj.² + -tūdō -tude suffix. Compare French planitude (1786).

rare.

The quality or condition of being planar; flatness.

ΘΚΠ

the world > space > shape > flatness or levelness > smoothness > [noun] > smooth part or surface

smooth1551

planitude1598

levity1613

smoothness1674

1598 A. M. tr. J. Guillemeau Frenche Chirurg. sig. b iij b/2 The superior planitude [Du. het opperste platte, Fr. la face], of the Plate, which, sticketh fast to the roofe of the mouthe.

1886 Philos. Trans. (Royal Soc.) 177 304 The plate faces were very nearly parallel planes, the error of planitude not exceeding 1′.

1989 H. Tomlinson & R. Galeta tr. G. Deleuze Cinema 2 ii. 39 It is..the crushing of depth and the planitude of the image, which, in Dreyer and other authors, will directly open the image to time as fourth dimension.

2000 Physical Rev. B. 62 12510/2 Finite size oscillations can be observed..corresponding to a total thickness of 1000 Å. This is an indication of a surface planitude of the order of one unit cell.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	planitude
释义	planituden. Brit. /ˈplanᵻtjuːd/, /ˈplanᵻtʃuːd/, U.S. /ˈplænəˌt(j)ud/ Origin: A borrowing from Latin. Etymon: Latin planitudo. Etymology: < post-classical Latin planitudo level surface (6th cent. in Boethius) < classical Latin plānus plain adj.² + -tūdō -tude suffix. Compare French planitude (1786). rare. The quality or condition of being planar; flatness. ΘΚΠ the world > space > shape > flatness or levelness > smoothness > [noun] > smooth part or surface smooth1551 planitude1598 levity1613 smoothness1674 1598 A. M. tr. J. Guillemeau Frenche Chirurg. sig. b iij b/2 The superior planitude [Du. het opperste platte, Fr. la face], of the Plate, which, sticketh fast to the roofe of the mouthe. 1886 Philos. Trans. (Royal Soc.) 177 304 The plate faces were very nearly parallel planes, the error of planitude not exceeding 1′. 1989 H. Tomlinson & R. Galeta tr. G. Deleuze Cinema 2 ii. 39 It is..the crushing of depth and the planitude of the image, which, in Dreyer and other authors, will directly open the image to time as fourth dimension. 2000 Physical Rev. B. 62 12510/2 Finite size oscillations can be observed..corresponding to a total thickness of 1000 Å. This is an indication of a surface planitude of the order of one unit cell. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1598
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