self-diffusionn.

Brit.

/ˌsɛlfdᵻˈfjuːʒn/, U.S.

/ˌsɛlfdəˈfjuʒən/

Origin: Formed within English, by derivation. Etymons: self- prefix, diffusion n.

Etymology: < self- prefix + diffusion n.

1. The action or process whereby something disperses or diffuses itself throughout a wide area; the power to do this. rare.

ΘΚΠ

the world > life > biology > biological processes > movement > [noun] > diffusion

diffusion1725

self-diffusion1832

1832 W. Fergusson Lett. Cholera Morbus 25 The Cholera Morbus..possesses other powers and qualities of self diffusion, which we can neither understand nor controul.

1881 Daily Leader (Bloomington, Illinois) 7 Feb. Vice..to a large extent nullifies itself, so far as self-diffusion is concerned.

2013 Christian Cent. 20 Mar. 26/1 If you choose to forgive, you are choosing to absorb the infection [of evil], as it were; to contain its self-diffusion.

2. Chemistry. Migration of constituent atoms or molecules within the bulk of a substance, esp. in a crystalline solid.

ΚΠ

1904 London, Edinb., & Dublin Philos. Mag. 6th Ser. 8 697 I have been content to examine only the four gases of which Maxwell has calculated the coefficients of self-diffusion from Loschmidt's experiments.

1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) xviii. 173 Not until the introduction of radioactive indicators was it possible to open up to observational study the phenomenon of self-diffusion.

1974 D. M. Adams Inorg. Solids ix. 286 Self-diffusion work with silver isotopes confirms that these ions move freely between the available sites in the iodine lattice.

2005 R. E. Newnham Properties of Materials xix. 211 The self-diffusion of Pb is much easier parallel to the layers where the Pb atoms are in close proximity to one another.

This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).

单词	self-diffusion
释义	self-diffusionn. Brit. /ˌsɛlfdᵻˈfjuːʒn/, U.S. /ˌsɛlfdəˈfjuʒən/ Origin: Formed within English, by derivation. Etymons: self- prefix, diffusion n. Etymology: < self- prefix + diffusion n. 1. The action or process whereby something disperses or diffuses itself throughout a wide area; the power to do this. rare. ΘΚΠ the world > life > biology > biological processes > movement > [noun] > diffusion diffusion1725 self-diffusion1832 1832 W. Fergusson Lett. Cholera Morbus 25 The Cholera Morbus..possesses other powers and qualities of self diffusion, which we can neither understand nor controul. 1881 Daily Leader (Bloomington, Illinois) 7 Feb. Vice..to a large extent nullifies itself, so far as self-diffusion is concerned. 2013 Christian Cent. 20 Mar. 26/1 If you choose to forgive, you are choosing to absorb the infection [of evil], as it were; to contain its self-diffusion. 2. Chemistry. Migration of constituent atoms or molecules within the bulk of a substance, esp. in a crystalline solid. ΚΠ 1904 London, Edinb., & Dublin Philos. Mag. 6th Ser. 8 697 I have been content to examine only the four gases of which Maxwell has calculated the coefficients of self-diffusion from Loschmidt's experiments. 1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) xviii. 173 Not until the introduction of radioactive indicators was it possible to open up to observational study the phenomenon of self-diffusion. 1974 D. M. Adams Inorg. Solids ix. 286 Self-diffusion work with silver isotopes confirms that these ions move freely between the available sites in the iodine lattice. 2005 R. E. Newnham Properties of Materials xix. 211 The self-diffusion of Pb is much easier parallel to the layers where the Pb atoms are in close proximity to one another. This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022). < n.1832
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