Gregorian telescope
— Noun
– English
~ a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
Galilean telescope
— Noun
– English
~ a type of refracting telescope that is no longer used in astronomy
Gabriel Tellez
— Noun
– English
~ Spanish dramatist who wrote the first dramatic treatment of the legend of Don Juan (1571-1648)
genus Tellima
— Noun
– English
~ genus of hardy perennials with palmately lobed leaves and long racemes of small nodding five-petaled flowers; western North America
graphic tellurium
— Noun
– English
~ a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America
genus Telopea
— Noun
– English
~ Australian evergreen shrubs: waratahs
good temper
— Noun
– English
~ a cheerful and agreeable mood