chondrule

American  

[kon-drool] / ˈkɒn drul /

noun

1. a small round mass of olivine or pyroxene found in stony meteorites.

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chondrule British  

/ ˈkɒndruːl /

noun

1. one of the small spherical masses of mainly silicate minerals present in chondrites

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chondrule Scientific  

/ kŏn′dro̅o̅l /

1. A small round granule of olivine or pyroxene occurring in many stony meteorites. Chondrules are thought to have formed from the condensation of hot gases in the solar system.

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Etymology

Origin of chondrule

First recorded in 1885–90; chondr- + -ule

Example Sentences

See Examples For:

chondrule

“They are stained glass windows to the earliest time period of the solar system,” says Harold Connolly, a cosmochemist and chondrule expert from Rowan University in New Jersey.

From Scientific American ● Dec. 8, 2020

“We can build a story about how planets form without ever invoking chondrule formation,” says Ciesla.

From Scientific American ● Dec. 8, 2020

Larry Nittler, also a cosmochemist from Carnegie who was in the audience, says he “actually stood up” to defend chondrule research.

From Scientific American ● Dec. 8, 2020

Today there are, the joke goes, as many theories about chondrule formation as there are chondrule scientists themselves—with the acerbic addendum that tomorrow there will inevitably be even more.

From Scientific American ● Dec. 8, 2020

Then he ground the remainder and purified a sample of meteor material until it was free of chondrule fragments.

From Time Magazine Archive