Definition:-

• Closely and neatly packed together; dense. (adjective)
• Composed or made up of. (adjective)
• Exert force on (something) to make it more dense; compress. (transitive verb)
• A small flat case containing face powder, a mirror, and a powder puff. (noun)
• Something that is a small and conveniently shaped example of its kind. (noun)
• A mass of powdered metal compacted together in preparation for sintering. (noun)