- 太阳能 tàiyángnéng solar energysolar energy; radiant energy from the sun that can be converted into heat or electricity
- 晒太阳 shàitàiyáng to sunbatheto bask in the sun; to be in the sun to get warm or tan
- 太阳系 tàiyángxì solar systemthe solar system; the celestial system consisting of the sun and the planets, satellites, and other bodies that orbit it
- 太阳镜 tàiyángjìng sunglassesdark glasses used to protect the eyes from bright sunlight or ultraviolet rays
- 太阳穴 tàiyángxué templethe flat area on either side of the head behind the eyes; also an acupuncture point in traditional Chinese medicine
- 太阳神 tàiyángshén sun goda deity who represents the sun; the sun god, such as [[羲和|羲和|xi1 he2]] in Chinese mythology or [[阿波罗|阿波羅|a1 bo1 luo2]] in Greek mythology
- 小太阳 xiǎotàiyáng only childan only child around whom all family members revolve
- 太阳眼镜 tàiyángyǎnjìng sunglassesglasses with dark-colored lenses designed to protect the eyes from strong sunlight; also called [[墨镜|墨鏡|mo4 jing4]] or [[太阳镜|太陽鏡|tai4 yang2 jing4]]
- 太阳活动 tàiyánghuódòng solar activitysolar activity; sunspot activity or variation in the amount of energy emitted by the sun
- 太阳黑子 tàiyánghēizǐ sunspotDark spots appearing on the surface of the sun's photosphere, which have strong magnetic fields and vary in number over an eleven-year cycle; their activity can disrupt radio communications on Earth.
- 太阳风 tàiyángfēng solar windStream of charged particles (mostly hydrogen and helium) released from the upper atmosphere of the sun.
- 太阳从西边出来 tàiyángcóngxībiānchūlái hell freezes overLiterally "the sun rises in the west"; used to describe something that is impossible or extremely unlikely to happen.
- 太阳鸟 tàiyángniǎo sunbirdsunbird; a small, colorful bird of the Nectariniidae family, similar to a hummingbird, that feeds on nectar and insects
- 太阳灶 tàiyángzào solar cookerA stove or cooking appliance that uses mirrors to concentrate solar radiation into heat for cooking; also called a [[太阳炉|太陽爐|tai4 yang2 lu2]].
- 太阳历 tàiyánglì solar calendarA calendar based on the earth's orbit around the sun, such as the internationally standard Gregorian calendar; also referred to as [[阳历|陽曆|yang2 li4]], [[公历|公曆|gong1 li4]], or [[西历|西曆|xi1 li4]].
- 太阳灯 tàiyángdēng sunlampA device that produces ultraviolet light; commonly used for medical purposes or tanning.
- 太阳日 tàiyángrì solar daythe time interval between two successive transits of the sun across the meridian; can be categorized as an apparent solar day based on direct observation or a mean solar day based on the yearly average
- 太阳微系统公司 tàiyángwēixìtǒnggōngsī Sun MicrosystemsSun Microsystems, an American technology company
- 太阳炉 tàiyánglú solar furnaceA device that uses mirrors to focus sunlight and produce high temperatures; used for manufacturing heat-resistant materials and synthetic gemstones.
- 太阳年 tàiyángnián solar yearThe time it takes for the Earth to orbit the sun once, which is approximately 365 days, 5 hours, 48 minutes, and 46 seconds
- 太阳地儿 tàiyángdìr sunny spotA place or patch of ground in the sun
- 太阳膏 tàiyánggāo headache ointmentA medicinal plaster or ointment applied to the temples to treat headaches
- 太阳花 tàiyánghuā sunflowersunflower, a tall plant with large yellow flowers that turn to face the sun
- 太阳蛋 tàiyangdàn sunny-side-up eggfried egg cooked on one side so the yolk remains visible; sunny-side-up egg
- 太阳裙 tàiyangqún sundressa lightweight, sleeveless dress typically worn in warm weather, often featuring a flared skirt
- 太阳轮 tàiyánglún solar plexus chakra
- 太阳辐射 tàiyángfúshè solar radiationThe electromagnetic waves and particles emitted by the sun into space; its distribution on Earth is the primary driver of weather patterns
- 太阳雨 tàiyángyǔ sunshowerrain falling while the sun is shining
- 太阳饼 tàiyángbǐng suncakea small round pastry with a flaky crust and a maltose filling, originally a specialty of Taichung, Taiwan
- 太阳黑子周 tàiyánghēizǐzhōu sunspot cyclethe periodic change in the number of sunspots observed on the sun's surface
- 山高遮不住太阳 shāngāozhēbùzhùtàiyáng the mountain is high but cannot block the sunPeople of low standing or subordinate rank cannot prevail over or hide the influence of those in higher positions.
- 手太阳 shǒutàiyáng hand-taiyangthe major yang meridian associated with the hand, specifically the small intestine meridian in traditional Chinese medicine
- 火尾太阳鸟 huǒwěitàiyángniǎo fire-tailed sunbirda bird species of China, Aethopyga ignicauda
- 真太阳日 zhēntàiyángrì real solar dayThe time unit required for one full rotation of the Earth relative to the sun.
- 紫颊直嘴太阳鸟 zǐjiázhízuǐtàiyángniǎo ruby-cheeked sunbirdruby-cheeked sunbird (Chalcoparia singalensis), a bird species found in China
- 绿喉太阳鸟 lǜhóutàiyángniǎo green-tailed sunbird(bird species of China) green-tailed sunbird (Aethopyga nipalensis)
- 聚光太阳能 jùguāngtàiyángnéng concentrating solar powerconcentrating solar power (CSP)
- 蓝喉太阳鸟 lánhóutàiyángniǎo Mrs. Gould's sunbirda species of sunbird native to southern Asia, known by the scientific name Aethopyga gouldiae
- 足太阳 zútàiyáng Bladder Meridianthe Bladder Meridian of Foot-Taiyang, one of the primary meridians in traditional Chinese medicine
- 黄腰太阳鸟 huángyāotàiyángniǎo crimson sunbird(bird species of China) crimson sunbird (Aethopyga siparaja)
- 出太阳 chūtàiyáng to be sunnyto be sunny; for the sun to come out
- 黑胸太阳鸟 hēixiōngtàiyángniǎo black-throated sunbirda species of sunbird, Aethopyga saturata, found in south and southeast Asia including parts of southern China
- 叉尾太阳鸟 chāwěitàiyángniǎo fork-tailed sunbird(bird species of China) fork-tailed sunbird (Aethopyga christinae)
- 太阳光 tàiyángguāng sunlightsunlight; rays of the sun
- 太阳光柱 tàiyángguāngzhù sun pillara vertical shaft of light extending above or below the sun, caused by the reflection of sunlight off small ice crystals in the atmosphere
- 太阳地 tàiyángdì sunny spotarea in direct sunlight
- 太阳帽 tàiyángmào sun hatA hat with a wide brim or long visor used to shade the face from the sun; includes sun helmets, topis, and sunbonnets.
- 太阳报 tàiyángbào The SunThe Sun; name of various newspapers, most notably those published in the UK and Hong Kong
- 太阳旗 tàiyángqí Japanese national flagThe national flag of Japan, commonly known as the Rising Sun flag because it uses the sun as its emblem.