tesseraladj.

/ˈtɛsərəl/

Etymology: < tessera n. + -al suffix¹.

1. Of, pertaining to, or resembling a tessera or tesseræ; composed of tesseræ.

ΚΠ

1846 J. E. Worcester Universal Dict. Eng. Lang. (citing Edinb. Rev.).

2. Crystallography. = isometric adj. 3, cubic adj. 1c.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > crystal systems > [adjective] > cubic

tessular1794

tesseral1854

isometrical1855

isometric1868

1854 Pereira's Pol. Light 191 The cubic or octohedral system. Synonymes.—The regular, the tessular, the tesseral, or the isometric system.

1878 H. P. Gurney Crystallogr. 37 Crystals possessing this highest possible degree of symmetry are said to belong to the Cubic or Tesseral System.

3. Mathematics. Relating to the tesseræ of a spherical surface (see tessera n. 2b), as in tesseral harmonic, a spherical surface harmonic which is the product of two factors depending respectively on latitude and longitude.

ΘΚΠ

the world > relative properties > number > algebra > [noun] > expression > function > harmonic function

harmonic1867

harmonic motion1867

tesseral harmonic1873

1873 J. C. Maxwell Treat. Electr. & Magn. (1881) I. 196 We may now write the expressions for the two tesseral harmonics.

1873 J. C. Maxwell Treat. Electr. & Magn. (1881) I. 198 To find the surface integral of the square of any tesseral harmonic taken over the sphere.

1887 Hobson in Trans. Cambr. Philos. Soc. (1889) 14 211 The zonal and tesseral harmonics..are exhibited as series.

This entry has not yet been fully updated (first published 1911; most recently modified version published online September 2021).

单词	tesseral
释义	tesseraladj. /ˈtɛsərəl/ Etymology: < tessera n. + -al suffix¹. 1. Of, pertaining to, or resembling a tessera or tesseræ; composed of tesseræ. ΚΠ 1846 J. E. Worcester Universal Dict. Eng. Lang. (citing Edinb. Rev.). 2. Crystallography. = isometric adj. 3, cubic adj. 1c. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal systems > [adjective] > cubic tessular1794 tesseral1854 isometrical1855 isometric1868 1854 Pereira's Pol. Light 191 The cubic or octohedral system. Synonymes.—The regular, the tessular, the tesseral, or the isometric system. 1878 H. P. Gurney Crystallogr. 37 Crystals possessing this highest possible degree of symmetry are said to belong to the Cubic or Tesseral System. 3. Mathematics. Relating to the tesseræ of a spherical surface (see tessera n. 2b), as in tesseral harmonic, a spherical surface harmonic which is the product of two factors depending respectively on latitude and longitude. ΘΚΠ the world > relative properties > number > algebra > [noun] > expression > function > harmonic function harmonic1867 harmonic motion1867 tesseral harmonic1873 1873 J. C. Maxwell Treat. Electr. & Magn. (1881) I. 196 We may now write the expressions for the two tesseral harmonics. 1873 J. C. Maxwell Treat. Electr. & Magn. (1881) I. 198 To find the surface integral of the square of any tesseral harmonic taken over the sphere. 1887 Hobson in Trans. Cambr. Philos. Soc. (1889) 14 211 The zonal and tesseral harmonics..are exhibited as series. This entry has not yet been fully updated (first published 1911; most recently modified version published online September 2021). < adj.1846
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