from the vine of piper nigrum. to get black pepper, the berries from the plant are picked when they are still not fully ripe, fermented and then dried in the sun till the time they dehydrate and turn brownish-black in colour. etymology of black pepper the term 'pepper' was derivedfrom the sanskrit...
"hz" and "megahertz" redirect here. for other uses, see hz (disambiguation) and megahertz (disambiguation) . hertz unit system si derived unit unit of frequency symbol hz named after heinrich hertz in si base units s − top to bottom: lights flashing at frequencies f = hz, hz and hz, i.e. at , and flashes...