autocyclicadj.

Brit.

/ˌɔːtəʊˈsʌɪklɪk/, U.S.

/ˌɔdoʊˈsɪklɪk/,

/ˌɑdoʊˈsɪklɪk/,

/ˌɔdoʊˈsaɪklɪk/,

/ˌɑdoʊˈsaɪklɪk/

Origin: Formed within English, by compounding. Etymons: auto- comb. form¹, cyclic adj.

Etymology: < auto- comb. form¹ + cyclic adj.

1. Biochemistry. In the context of a living cell: designating a rhythmically occurring, periodically reversible reaction. rare.

ΚΠ

1943 Bot. Rev. 9 112 A number of autocyclic rhythmic reactions are known to occur in protoplasm; the glycogen-lactic-acid cycle in muscle is one.

2. Geology. Designating cyclic or repetitive patterns of deposition within a sedimentary system which are attributed to factors internal to the system. Also: relating to or involving such a factor. Cf. allocyclic adj. 2.

ΚΠ

1964 J. R. Beerbower in Bull. State Geol. Surv. Kansas 169 32/2 The first, hereafter called autocyclic, are generated in the depositional prism and include such items as channel migration, channel diversion, and bar migration.

1988 Science 29 July 597/1 Events caused by autocyclic processes will not correlate either within the basin or with other basins.

2007 J. A. Maceachern et al. in W. Miller Trace Fossils vii. 119/1 In genetic stratigraphy, differentiation of breaks of autocyclic derivation from those of allocyclic origin is paramount.

This is a new entry (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	autocyclic
释义	autocyclicadj. Brit. /ˌɔːtəʊˈsʌɪklɪk/, U.S. /ˌɔdoʊˈsɪklɪk/, /ˌɑdoʊˈsɪklɪk/, /ˌɔdoʊˈsaɪklɪk/, /ˌɑdoʊˈsaɪklɪk/ Origin: Formed within English, by compounding. Etymons: auto- comb. form¹, cyclic adj. Etymology: < auto- comb. form¹ + cyclic adj. 1. Biochemistry. In the context of a living cell: designating a rhythmically occurring, periodically reversible reaction. rare. ΚΠ 1943 Bot. Rev. 9 112 A number of autocyclic rhythmic reactions are known to occur in protoplasm; the glycogen-lactic-acid cycle in muscle is one. 2. Geology. Designating cyclic or repetitive patterns of deposition within a sedimentary system which are attributed to factors internal to the system. Also: relating to or involving such a factor. Cf. allocyclic adj. 2. ΚΠ 1964 J. R. Beerbower in Bull. State Geol. Surv. Kansas 169 32/2 The first, hereafter called autocyclic, are generated in the depositional prism and include such items as channel migration, channel diversion, and bar migration. 1988 Science 29 July 597/1 Events caused by autocyclic processes will not correlate either within the basin or with other basins. 2007 J. A. Maceachern et al. in W. Miller Trace Fossils vii. 119/1 In genetic stratigraphy, differentiation of breaks of autocyclic derivation from those of allocyclic origin is paramount. This is a new entry (OED Third Edition, September 2012; most recently modified version published online December 2021). < adj.1943
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