allomorphismn.

Brit.

/ˌaləˈmɔːfɪz(ə)m/, U.S.

/ˌæləˈmɔrfɪz(ə)m/

Origin: Formed within English, by compounding. Etymons: allo- comb. form, -morphism comb. form.

Etymology: < allo- comb. form + -morphism comb. form. With the use in mineralogy compare paramorphism n.

Mineralogy and Chemistry.

Change of crystal form without change in chemical composition; the existence or occurrence of allomorphs (allomorph n.¹).

ΚΠ

1845 J. D. Dana in Amer. Jrnl. Sci. 48 82 By Allomorphism; in which a substance under one of its dimorphous forms, changes to the other without altering the external form.

1866 W. King & T. H. Rowney in Q. Jrnl. Geol. Soc. 22 i. 187 Like aragonite, calcite is also subject to allomorphism.

1964 Jrnl. Org. Chem. 29 3184/1 Allomorphism seems unlikely since either modification persisted on identical recrystallization and seeding with the other.

2006 Carbohydrate Polymers 64 387/2 Chitin allomorphism or polymorphism..leads to chitosan and end product derivatives with low crystallinity.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	allomorphism
释义	allomorphismn. Brit. /ˌaləˈmɔːfɪz(ə)m/, U.S. /ˌæləˈmɔrfɪz(ə)m/ Origin: Formed within English, by compounding. Etymons: allo- comb. form, -morphism comb. form. Etymology: < allo- comb. form + -morphism comb. form. With the use in mineralogy compare paramorphism n. Mineralogy and Chemistry. Change of crystal form without change in chemical composition; the existence or occurrence of allomorphs (allomorph n.¹). ΚΠ 1845 J. D. Dana in Amer. Jrnl. Sci. 48 82 By Allomorphism; in which a substance under one of its dimorphous forms, changes to the other without altering the external form. 1866 W. King & T. H. Rowney in Q. Jrnl. Geol. Soc. 22 i. 187 Like aragonite, calcite is also subject to allomorphism. 1964 Jrnl. Org. Chem. 29 3184/1 Allomorphism seems unlikely since either modification persisted on identical recrystallization and seeding with the other. 2006 Carbohydrate Polymers 64 387/2 Chitin allomorphism or polymorphism..leads to chitosan and end product derivatives with low crystallinity. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1845
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