: a usually greenish mineral that is a complex silicate of magnesium and iron used especially in refractories compare peridot

olivinic

2 of 2

adjective

ol·​i·​vin·​ic
: relating to, resembling, or containing olivine

Examples of olivine in a Sentence

Recent Examples on the Web
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Noun
As the cone eroded over time, olivine crystals became concentrated in this area. Lydia Mansel, Travel + Leisure, 26 Dec. 2025 This involves adding finely ground olivine—a naturally occurring olive-green colored mineral—to sandy beaches. ArsTechnica, 11 Aug. 2025 Both meteorites contain olivine and pyroxene, minor albitic plagioclase, and oldhamite. Ben Rider-Stokes, JSTOR Daily, 17 July 2025 Its floor is nearly entirely covered in dark, mineral-rich rock — known as mafic material — containing magnesium, iron and minerals such as pyroxine and olivine. Samantha Mathewson, Space.com, 6 Mar. 2026 See All Example Sentences for olivine

Word History

Etymology

Noun

German Olivin, from Latin oliva

Adjective

International Scientific Vocabulary olivine + -ic or -itic

First Known Use

Noun

1794, in the meaning defined above

Time Traveler
The first known use of olivine was in 1794

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Cite this Entry

“Olivine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/olivine. Accessed 8 Jul. 2026.

Kids Definition

: a usually greenish mineral that is a silicate of magnesium and iron

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