Tindar
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 An elongate ridge of pyroclastic palagonitic tuff, lava delta hyaloclastites, and pillow lavas common in Iceland, erupted subaqueously within an englacial lake during a subglacial volcanic fissure eruption.
Etymology
Coined by American volcanologist John Gilbert Jones in 1968, after the Icelandic word Icelandic tindur (“pinnacle, peak”), although its plural form, tindar has, since Jones' coinage, been used incorrectly as the singular.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.