the GNU version of the Collaborative International Dictionary of English
adj. Resembling granite in granular appearance
The Century Dictionary and Cyclopedia
Like granite; holocrystalline: applied in lithology to rocks without an amorphous ground-mass, but entirely made up of crystalline components, whether visible with or without the aid of the microscope. Granite is the typical rock of this class.
Word Usage
"The present lake wall of stone and granitoid was not then in place, but the road had been well laid out, the intermediate spaces of lawn were lovely to look upon, and the houses were thoroughly new and imposing."