Dictionary.com
Thesaurus.com

Pele's hair

American  
[pey-leyz, pee-leez] / ˈpeɪ leɪz, ˈpi liz /

noun

  1. volcanic glass thread, usually basaltic, caused by the solidification of exploding or ejected lava in the open air.


Pele's hair British  
/ ˈpeɪleɪz, ˈpiːliːz /

noun

  1. fine threads of volcanic glass formed from molten lava by the action of wind, explosion, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Pele's hair

1840–50; translation of Hawaiian lauoho-o-Pele hair of Pele (goddess of the volcano Kilauea)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When volcanoes erupt, they also emit matter which cools to form shards of glass called Pele's Hair.

From BBC

“Pele’s hair” specimens from Kilauea volcano’s eruption are visible at Hawaii Volcanoes National Park.

From Seattle Times

Lava flowing from the volcano was confined to the summit area, but officials warned that winds could carry volcanic gas, fine ash and thin glass fibers known as Pele’s hair downwind.

From New York Times

The fountains began producing Pele's hair, which is one of the most awesome things basalt does.

From Scientific American

In previous volcanic eruptions, Pele's hair has caused trouble for the many Hawaiians who collect rainwater for drinking water.

From Scientific American