sun
[ suhn ]
/ sʌn /
noun
verb (used with object), sunned, sun·ning.
verb (used without object), sunned, sun·ning.
to be exposed to the rays of the sun: to sun in the yard.
Idioms for sun
Origin of sun
OTHER WORDS FROM sun
sun·like, adjectiveWords nearby sun
Definition for sun (2 of 2)
Example sentences from the Web for sun
British Dictionary definitions for sun (1 of 2)
sun
/ (sʌn) /
noun
verb suns, sunning or sunned
to expose (oneself) to the sunshine
(tr)
to expose to the sunshine in order to warm, tan, etc
Derived forms of sun
sunlike, adjectiveWord Origin for sun
Old English
sunne; related to Old High German
sunna, Old Frisian
senne, Gothic
sunno
British Dictionary definitions for sun (2 of 2)
Sun.
abbreviation for
Sunday
Scientific definitions for sun
sun
[ sŭn ]
Often Sun. A medium-sized, main-sequence star located in a spiral arm of the Milky Way galaxy, orbited by all of the planets and other bodies in our solar system and supplying the heat and light that sustain life on Earth. Its diameter is approximately 1,392,000 million km (865,000 mi), and its mass, about 330,000 times that of Earth, comprises more than 99 percent of the matter in the solar system. It has a temperature of some 5.7 million degrees C (28.3 million degrees F) at its core, where nuclear fusion produces tremendous amounts of energy, mainly through the series of reactions known as the proton-proton chain. The energy generated in the core radiates through a radiation zone to an opaque convection zone, where it rises to the surface through convection currents of the Sun's plasma. The Sun's surface temperature (at its photosphere) is approximately 6,200 degrees C (11,200 degrees F). Turbulent surface phenomena analogous to the Earth's weather are prevalent, including magnetic storms, sunspots, and solar flares. The Sun was formed along with the rest of the solar system about 4.5 billion years ago and is expected to run out of its current hydrogen fuel in another 5 billion years, at which point it will develop into a red giant and ultimately into a white dwarf. See Table at solar system. See Note at dwarf star.
Cultural definitions for sun
notes for sun
The sun is about 4.5 billion years old and is expected to remain in its present state for approximately another six billion years; it will eventually evolve into a
white dwarf.
Idioms and Phrases with sun
sun