ultrabasic
adjective
ul·tra·ba·sic
ˌəl-trə-ˈbā-sik 
: extremely basic
an ultrabasic system
specifically
: very low in silica and rich in iron and magnesium minerals
dunite and peridotite are ultrabasic rocks
ultrabasic
noun
Examples of ultrabasic in a Sentence
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Rwanda has introduced ultrabasic health insurance for more than 90% of its people; infant mortality has fallen from 120 per 1,000 live births in 2000 to under 30 last year.
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The Economist, 28 Apr. 2018
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The Economist, 28 Apr. 2018
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“Ultrabasic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrabasic. Accessed 22 Dec. 2024.
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