The hertz (symbol Hz) is the unit of frequency in the International System of Units (SI) and is defined as one cycle per second. It is named for Heinrich Rudolf Hertz, the first person to provide conclusive proof of the existence of electromagnetic waves.
This article is about a Hindu caste. For other uses, see Nair (disambiguation). The Nair /ËnÉË.jÉr/, also known as Nayar, are a group of Indian castes, described by anthropologist Kathleen Gough as not a unitary group but a named category of castes. The Nair include several castes and many subdivisions, not all of whom historically bore the name 'Nair'.
npl -ri or -ris. 1. (Peoples) a member of the people living in New Zealand and the Cook Islands since before the arrival of European settlers. They are descended from Polynesian voyagers who migrated in successive waves from the ninth century onwards.