HORNSTONE Synonyms

• an impure form of quartz consisting of banded chalcedony; used as a gemstone and for making mortars and pestles

• a town in north central Colorado; Rocky Mountains resort center and university town

• a large smooth mass of rock detached from its place of origin

• variety of silica containing microcrystalline quartz

• rectangular paving stone with curved top; once used to make roads

• pave with cobblestones

• a river in western Georgia that flows generally south to join the Chattahoochee River at the Florida border where they form the Apalachicola River

• a hard kind of stone; a form of silica more opaque than chalcedony

• a city in southeast central Michigan near Detroit; automobile manufacturing

• showing unfeeling resistance to tender feelings

• a small smooth rounded rock

• hard metamorphic rock consisting essentially of interlocking quartz crystals

• a lump or mass of hard consolidated mineral matter

• United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984)

• material consisting of the aggregate of minerals like those making up the Earth's crust

• (figurative) someone who is strong and stable and dependable

• hard bright-colored stick candy (typically flavored with peppermint)

• a genre of popular music originating in the 1950s; a blend of black rhythm-and-blues with white country-and-western

• pitching dangerously to one side

• move back and forth or sideways

• cause to move back and forth

• rock formed from consolidated clay sediments

• a fine-grained metamorphic rock formed by the action of heat on clay rocks