groundmass

Words with a similar base: groundmass

'groundmass'

[groundmass.n.01] as in: (geology) the matrix of fine-grained crystalline material in which larger crystals are embedded

Origins

					groundmass (English)
├── ground (English)
│   └── grund (Old English (ca. 450-1100))
└── mass (English)
    └── masse (Middle English (1100-1500))
        └── mæsse (Old English (ca. 450-1100))

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