polycrystaladj.n.

Brit.

/ˈpɒlɪˌkrɪstl/, U.S.

/ˈpɑliˌkrɪst(ə)l/

Origin: Formed within English, by compounding. Etymons: poly- comb. form, crystal adj.

Etymology: < poly- comb. form + crystal adj. Compare polycrystalline adj. With use as noun compare monocrystal n.

Materials Science.

A. adj.

= polycrystalline adj.

ΘΚΠ

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

polycrystal1925

polycrystalline1925

1925 Physical Rev. 25 248 The crystal was then hammered and swaged to change it into polycrystal copper.

1957 Proc. Royal Soc. A. 242 199 Single and polycrystal specimens of silver chloride have been fatigued in order to understand further the nature of the formation of crevices.

1991 Acta Metallurgica et Materialia 39 2667/1 Close-packed hexagonal metals are the non-cubic materials for which polycrystal plasticity has been most closely investigated.

B. n.

A polycrystalline substance; a piece of such a substance.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > [noun] > polycrystal

polycrystal1932

1932 Proc. Royal Soc. A. 138 358 The complete change [in density] from single crystal to polycrystal..is..of the order of 1 in 3000 for, e.g., iron, nickel and aluminium.

1966 C. R. Tottle Sci. Engin. Materials iv. 93 More than one nucleus inevitably gives rise to a polycrystal, where several points of growth lead to crystallites of different crystallographic orientation.

2001 R. W. Cahn Coming of Materials Sci. iii. 87 The notable English metallurgist Cyril Desch..first analysed the near-equilibrium shapes of metal grains in a polycrystal.

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

单词	polycrystal
释义	polycrystaladj.n. Brit. /ˈpɒlɪˌkrɪstl/, U.S. /ˈpɑliˌkrɪst(ə)l/ Origin: Formed within English, by compounding. Etymons: poly- comb. form, crystal adj. Etymology: < poly- comb. form + crystal adj. Compare polycrystalline adj. With use as noun compare monocrystal n. Materials Science. A. adj. = polycrystalline adj. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > [adjective] > polycrystal polycrystal1925 polycrystalline1925 1925 Physical Rev. 25 248 The crystal was then hammered and swaged to change it into polycrystal copper. 1957 Proc. Royal Soc. A. 242 199 Single and polycrystal specimens of silver chloride have been fatigued in order to understand further the nature of the formation of crevices. 1991 Acta Metallurgica et Materialia 39 2667/1 Close-packed hexagonal metals are the non-cubic materials for which polycrystal plasticity has been most closely investigated. B. n. A polycrystalline substance; a piece of such a substance. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > [noun] > polycrystal polycrystal1932 1932 Proc. Royal Soc. A. 138 358 The complete change [in density] from single crystal to polycrystal..is..of the order of 1 in 3000 for, e.g., iron, nickel and aluminium. 1966 C. R. Tottle Sci. Engin. Materials iv. 93 More than one nucleus inevitably gives rise to a polycrystal, where several points of growth lead to crystallites of different crystallographic orientation. 2001 R. W. Cahn Coming of Materials Sci. iii. 87 The notable English metallurgist Cyril Desch..first analysed the near-equilibrium shapes of metal grains in a polycrystal. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.n.1925
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