1. (noun) Portuguese navigator who led an expedition around the Cape of Good Hope in 1497; he sighted and named Natal on Christmas Day before crossing the Indian Ocean (1469-1524)

• da gamma
• vasco da gamma

1. (noun) the 3rd letter of the Greek alphabet

• alphabetic character
• letter
• letter of the alphabet

2. (noun) a unit of magnetic field strength equal to one-hundred-thousandth of an oersted

• field strength unit

1. (noun) the 3rd letter of the Greek alphabet

• greek alphabet