In the International System of Units, the derived unit of frequency; one (period or cycle of any periodic event) per second. Symbol: Hz

A surname from German.

Alternative letter-case form of hertz (“Hz”)

plural of hertz

plural of Hertz donut

A supposed snack offered to a person as a prank; if they accept, they are then punched or hurt in some way.

(astronomy) A graphic representation of the absolute magnitude of stars against their color (or surface temperature), which shows the main sequence of stars plus the white dwarfs and red giants.

(mathematics) Of or pertaining to Heinrich Hertz and his work.

plural of Hertzsprung-Russell diagram

A surname.