A megahertz is one million (or 106) hertz. See hertz, kilohertz (one thousand hertz), gigahertz[?] (109 hertz), terahertz[?] (1012 hertz), and petahertz[?] (1015 hertz).
... who were attempting to catalog and codify Sanskrit's rules. Modern linguistics, which arose much later in the rest of the world, owes a great deal to the ...