volcano-tectonic depression
volcano-tectonic depression An extremely large, caldera-or trough-like, collapse depression, that is usually surrounded by extensive ignimbrite sheets. One of the largest such depressions is in the Taupo region of N.Island, New Zealand, and measures 100 × 30 km. Other well-known examples occur in the western USA (e.g. the Yellowstone volcano-tectonic depression) and the Philippines (the Lake Toba volcanotectonic depression).
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depressant
depressant •abeyant, mayn't •ambient, circumambient •gradient, irradiant, radiant •expedient, ingredient, mediant, ob… depress , de·press / diˈpres/ • v. [tr.] 1. make (someone) feel utterly dispirited or dejected: that first day at school depressed me. ∎ reduce the level or st… Geriatric Psychiatry , Geriatric Depression Scale
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The Geriatric Depression Scale (GDS) is a 30-item…
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volcano-tectonic depression