isopiestic line
- noun
- /ˌaɪsəˈpɪstɪk laɪn/
- Specialized
- The hydrologist drew an isopiestic line to mark areas with identical groundwater pressure across the valley.
Examples
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The isopiestic line indicates areas of equal groundwater pressure.
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Maps showing isopiestic lines can help engineers locate safe sites for well construction.
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After analyzing the pressure data, they connected the dots to create an isopiestic line on the report.
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In the report, an isopiestic line was drawn to show pressure levels.
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Maps showing isopiestic lines can help engineers locate safe sites for well construction.
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The hydrologist drew an isopiestic line to mark areas with identical groundwater pressure across the valley.
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After analyzing the pressure data, they connected the dots to create an isopiestic line on the report.
Synonyms
A line on a map joining places with the same underground water pressure
A line on a map that joins places with the same height or temperature
A line on a map connecting points that have the same value, like temperature or pressure
A line on a map that connects points with the same value, like temperature
A line on a map that connects places with the same value, like temperature
Surface Forms
Morphology
isopiestic + line
The compound literally means a 'line' marking points of equal (iso-) pressure (piestic/piezo-), so its sense is compositionally built from morphemes and is analogous to terms like 'isobar'. However, the adjective 'isopiestic' is a specialized, Greek-derived technical form that is unlikely to be analyzable or known by an average B1 learner, so the relation is only partially transparent and requires domain knowledge.
Etymology
Isopiestic line comes from two word parts: iso- meaning 'equal' and -piestic meaning 'pressure'. Imagine drawing a line on a map that joins places with the same ground water pressure, so the name tells you it marks where pressure is equal.