cumulate

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cumulate

[′kyü·myə‚lāt]
(petrology)
Any igneous rock formed by the accumulation of crystals settling out of a magma.
References in periodicals archive ?
The company they now form cumulates over a 100 year experience.
That effort continues today and cumulates with a large rally at the capital in Lansing on Tuesday, December 11.
Known as "La Troliere", the source cumulates the highest levels of purity, and fits the highest standards of mineral levels.