Definition of diachronism in English:

diachronism

noun dʌɪˈakrənɪz(ə)mdīˈakrəˌnizəm

mass nounGeology

The occurrence of a feature or phenomenon in different geological periods.
〔地质〕穿时性，异时性
Example sentencesExamples
- A typical example of diachronism would be a sequence of beds deposited in a shallow sea that gradually encroaches upon the land.
- Comparison of the thickness of lithostratigraphic units between sites appeared problematic because of the apparent diachronism of the lithostratigraphic boundaries and of the lateral changes of porosity.
- This is interpreted to reflect both diachronism in fault reactivation and variable distance from source area to sub-basin, causing variable delays between basin-margin faulting and clastic deposition in the basin.
- Therefore, this flexural model could provide an explanation for the above mentioned diachronism.
- The diachronism could be due to discontinuities in the vertical record of fossils.

Derivatives

diachronous

adjective dʌɪˈakrənəsdaɪˈækrənəs

Geology

(of a feature or phenomenon) occurring in different geological periods.
〔地质〕穿时性，异时性
key species are strongly diachronous across the region
Example sentencesExamples
- The scattered nature of the outcrop and the possibility of diachronous volcanism mean that all rocks grouped as Dokhan Volcanic Series may not be coeval.
- Thirlwall proposed a diachronous end to magmatism from NW to SE across Scotland and NE England.
- The parallel retreat of slopes through time in the Penck scheme means that the age of the pediplain is time-transgressive or diachronous, that is, the age varies across the surface of the pediplain.

diachronously

adverbdʌɪˈakrənəslidaɪˈækrənəsli

Geology

It is during this interval that graptolitic shales are diachronously replaced by shelly, Hirnantia Fauna-bearing limestones, first in the shallower-water and later in the deeperwater portions of the Yangtze Platform.
Example sentencesExamples
- Despite their proximity, individual basins developed diachronously and did not share basin-bounding faults.
- The total length of rifted margin was more than 25,000 km, suggesting a staggered climatic response to uplift as rifting progressed diachronously, somewhat like a zipper.

Definition of diachronism in US English:

diachronism

noundīˈakrəˌnizəm

Geology

The occurrence of a feature or phenomenon in different geological periods.
〔地质〕穿时性，异时性
Example sentencesExamples
- A typical example of diachronism would be a sequence of beds deposited in a shallow sea that gradually encroaches upon the land.
- Comparison of the thickness of lithostratigraphic units between sites appeared problematic because of the apparent diachronism of the lithostratigraphic boundaries and of the lateral changes of porosity.
- This is interpreted to reflect both diachronism in fault reactivation and variable distance from source area to sub-basin, causing variable delays between basin-margin faulting and clastic deposition in the basin.
- The diachronism could be due to discontinuities in the vertical record of fossils.
- Therefore, this flexural model could provide an explanation for the above mentioned diachronism.

单词	diachronism
释义	Definition of diachronism in English: diachronism noun dʌɪˈakrənɪz(ə)mdīˈakrəˌnizəm mass nounGeology The occurrence of a feature or phenomenon in different geological periods. 〔地质〕穿时性，异时性 Example sentencesExamples A typical example of diachronism would be a sequence of beds deposited in a shallow sea that gradually encroaches upon the land. Comparison of the thickness of lithostratigraphic units between sites appeared problematic because of the apparent diachronism of the lithostratigraphic boundaries and of the lateral changes of porosity. This is interpreted to reflect both diachronism in fault reactivation and variable distance from source area to sub-basin, causing variable delays between basin-margin faulting and clastic deposition in the basin. Therefore, this flexural model could provide an explanation for the above mentioned diachronism. The diachronism could be due to discontinuities in the vertical record of fossils. Derivatives diachronous adjective dʌɪˈakrənəsdaɪˈækrənəs Geology (of a feature or phenomenon) occurring in different geological periods. 〔地质〕穿时性，异时性 key species are strongly diachronous across the region Example sentencesExamples The scattered nature of the outcrop and the possibility of diachronous volcanism mean that all rocks grouped as Dokhan Volcanic Series may not be coeval. Thirlwall proposed a diachronous end to magmatism from NW to SE across Scotland and NE England. The parallel retreat of slopes through time in the Penck scheme means that the age of the pediplain is time-transgressive or diachronous, that is, the age varies across the surface of the pediplain. diachronously adverbdʌɪˈakrənəslidaɪˈækrənəsli Geology It is during this interval that graptolitic shales are diachronously replaced by shelly, Hirnantia Fauna-bearing limestones, first in the shallower-water and later in the deeperwater portions of the Yangtze Platform. Example sentencesExamples Despite their proximity, individual basins developed diachronously and did not share basin-bounding faults. The total length of rifted margin was more than 25,000 km, suggesting a staggered climatic response to uplift as rifting progressed diachronously, somewhat like a zipper. Definition of diachronism in US English: diachronism noundīˈakrəˌnizəm Geology The occurrence of a feature or phenomenon in different geological periods. 〔地质〕穿时性，异时性 Example sentencesExamples A typical example of diachronism would be a sequence of beds deposited in a shallow sea that gradually encroaches upon the land. Comparison of the thickness of lithostratigraphic units between sites appeared problematic because of the apparent diachronism of the lithostratigraphic boundaries and of the lateral changes of porosity. This is interpreted to reflect both diachronism in fault reactivation and variable distance from source area to sub-basin, causing variable delays between basin-margin faulting and clastic deposition in the basin. The diachronism could be due to discontinuities in the vertical record of fossils. Therefore, this flexural model could provide an explanation for the above mentioned diachronism.
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