Results for: sun
1. (Astronomy) the star at the centre of our solar system. It is a gaseous body having a highly compressed core, in which energy is generated by thermonuclear reactions (at about 15 million kelvins), surrounded by less dense radiative and convective zones serving to transport the energy to the surface (the photosphere). The atmospheric layers (the chromosphere and corona) are normally invisible except during a total eclipse. Mass and diameter: 333 000 and 109 times that of earth respectively; mean distance from earth: 149.6 million km (1 astronomical unit) Related adj solar
2. (Astronomy) any star around which a planetary system revolves
3. (Earth Sciences / Physical Geography) the sun as it appears at a particular time or place the winter sun
4. (Physics / General Physics) the radiant energy, esp heat and light, received from the sun; sunshine
5. a person or thing considered as a source of radiant warmth, glory, etc.
6. (History / Heraldry) a pictorial representation of the sun, often depicted with a human face
7. (Literature / Poetry) Poetic a year or a day
8. (Literature / Poetry) Poetic a climate
9. Archaic sunrise or sunset (esp in the phrase from sun to sun)
(Medicine / Pathology)
catch the sun to become slightly sunburnt
place in the sun a prominent or favourable position
(Transport / Nautical Terms)
take or shoot the sun Nautical to measure the altitude of the sun in order to determine latitude
(Medicine / Pathology)
touch of the sun slight sunstroke
under or beneath the sun on earth; at all nobody under the sun eats more than you do
vb suns, sunning, sunned
1. (Life Sciences & Allied Applications / Physiology) to expose (oneself) to the sunshine
2. (Life Sciences & Allied Applications / Physiology) (tr) to expose to the sunshine in order to warm, tan, etc.
[Old English sunne; related to Old High German sunna, Old Frisian senne, Gothic sunno]
sun /sn/ n. 1 [C] the star around which the Earth and other planets revolve and draw light, heat, and energy: The sun rises every morning and sets every evening. 2 [U] the heat and light of the sun: Have fun at the beach, but dont get too much sun.
v. [I;T] sunned, sunning, suns to bathe in the sunlight: She loved to sun herself on the beach.