Dictionary.com Thesaurus.com

oncolite

American

[ahn-koh-lahyt] / ˈɑn koʊˌlaɪt /

noun

Geology. a stromatolite with a spherical shape.

oncolite Scientific

/ ŏn′kə-līt′ /

A stromatolite that is spherical rather than dome-shaped. Oncolites usually form around a nucleus consisting of a detrital fragment (such as a shell fragment or a grain of sand) and are less than 10 cm (3.9 inches) in diameter.

Other Word Forms

Inflected Forms

noun

oncolites

plural

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.