9-Letter Words Containing: T,T,A

• hard metamorphic rock consisting essentially of interlocking quartz crystals

• a unit of information equal to 1000 exabytes or 10^21 bytes

• a unit of information equal to 1024 exbibytes or 2^70 bytes

• a tack for attaching papers to a bulletin board or drawing board

• fasten with thumbtacks

• declared not guilty of a specific offense or crime; legally blameless

• the historic period preceding the Middle Ages in Europe

• extreme oldness

• an artifact surviving from the past

• one trillion periods per second