grappier cement

\\ˈgrapēˌā-\ noun

Etymology: French grappier, from grappe cluster, bunch of grapes (from Old French grape hook, grape stalk, bunch of grapes, grape) + -ier -er — more at grape

: a cement made by grinding fine the lumps of underburned and overburned material left when a hydraulic lime is slaked

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/grap"ee ay'/

a by-product of the calcination of hydraulic lime, having similar properties and made from ground, unslaked lumps.

[1900-05; < F grappier, deriv. of grappe bunch of grapes. See GRAPE, -IER²]