2. A group led by Mr. Luddite durring the industrial revolution who beleived machines would cause workers wages to be decreased and ended up burning a number of factories in protest
2. Geology. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature, as by the action of heat or water.
b. a particular kind of such matter: igneous rock.
3. stone in the mass: buildings that stand upon rock.
4. a stone of any size.
5. something resembling or suggesting a rock.