pyroclastic flow

English

Pyroclastic flow flowing down Mayon Volcano.

Etymology

From pyroclastic + flow.

Pronunciation

• Audio (US)

  (file)

• (UK) IPA^(key): /ˈpaɪ.ɹəʊ.klæ.stɪk fləʊ/
• (General American) IPA^(key): /ˈpaɪ.ɹoʊ.klæ.stɪk floʊ/, /ˈpaɪ.ɹə.klæ.stɪk floʊ/

Noun

pyroclastic flow (countable and uncountable, plural pyroclastic flows)

1. (volcanology) A dense flow of volcanic ash, dust, rocks and debris that cascades at high speed down the slope of a volcano during an eruption.
   • 2004, China Miéville, Iron Council, trade paperback, published 2005, page 465:

     In burning slabs like pyroclastic flow the top of the tower slewed off, militia pods falling out and tumbling.

   • 2011, Richard Fortey, The Earth, Folio Society, page x:

     Most of the material was erupted in the most dangerous way as ‘pyroclastic flows’: incredibly hot volcanic fragments all buoyed up with gas that can travel fasted than a speeding car in pulse after pulse.

Translations

pyroclastic flow

• Bikol Central: uson
• Catalan: flux piroclàstic m
• Cebuano: piroklastikong pag-agay
• Chinese:

  Mandarin: 火山碎屑流 (zh) (huǒshānsuìxiè liú)

• Czech: pyroklastický proud m
• Danish: pyroklastisk vulkanudbrud c
• Dutch: pyroclastische stroom m
• Estonian: lõõmpilv
• Finnish: pyroklastinen tuhkapilvi
• French: nuée ardente (fr) f
• German: pyroklastischer Strom m, Glutlawine f
• Hebrew: זרם פירוקלסטי m
• Indonesian: aliran piroklastik
• Italian: flusso piroclastico m
• Japanese: 火砕流 (ja) (かさいりゅう, kasairyū)
• Latin: efluxus pyroclasticus m
• Lithuanian: piroklastinis srautas
• Norwegian: pyroklastisk strøm
• Polish: lawina piroklastyczna f
• Portuguese: fluxo piroclástico m
• Russian: пирокласти́ческий пото́к m (piroklastíčeskij potók)
• Slovak: pyroklastický prúd m
• Spanish: flujo piroclástico m
• Swedish: pyroklastiskt flöde c

See also

• clast
• pyroclastic surge