- 机 Jī: 机 Ji1: surname Ji机 jī: 机 ji1: (bound form) machine; mechanism; (bound form) aircraft; (bound form) an opportunity; (bound form) crucial point; pivot; (bound form) quick-witted; flexible; (bound form) organic
- 分子 fēn zǐ: 分子 fen1 zi3: (chemistry) molecule; (math.) numerator of a fraction分子 fèn zǐ: 分子 fen4 zi3: member of a class or group; people of a certain type
- cosmic ray
- to collide; collision
- a mixture; an amalgam; fusion; welding together; to be in harmony with (nature); to harmonize with; to fit in
- 合 hé: 合 he2: to close; to join; to fit; to be equal to; whole; together; round (in battle); conjunction (astronomy); 1st note of pentatonic scale合 gě: 合 ge3: 100 ml; one-tenth of a peck; measure for dry grain equal to one-tenth of sheng 升 or liter, or one-hundredth dou 斗
- pyrolysis; splitting (chemistry)
- 解 jiě: 解 jie3: to divide; to break up; to split; to separate; to dissolve; to solve; to melt; to remove; to untie; to loosen; to open; to emancipate; to explain; to understand; to know; a solution; a dissection解 Xiè: 解 Xie4: surname Xie解 jiè: 解 jie4: to transport under guard解 xiè: 解 xie4: acrobatic display (esp. on horseback) (old)
- toy building blocks
- to continue; to replenish
- to split up; to divide; to break up; fission; schism
- to adhere to a surface; to absorb; to draw in; (fig.) to attract; (chemistry) adsorption
- probability; odds
- tornado; hurricane; twister; cyclone
- to roll up; to curl up; (of dust etc) to swirl up
- to assemble; to put together
- Proterozoic (geological era 2500-540m years ago)
- Sinian (c. 800-542 million years ago), late phase of pre-Cambrian geological era
- Paleozoic, geological era 545-250m years ago, covering Cambrian 寒武紀|寒武纪, Ordovician 奧陶紀|奥陶纪, Silurian 志留紀|志留纪, Devonian 泥盆紀|泥盆纪, Carboniferous 石炭紀|石炭纪, Permian 二疊紀|二叠纪
- Cambrian geological period (541-485.4 million years ago)
- Ordovician (geological period 495-440m years ago)
- Silurian (geological period 440-417m years ago)
- Devonian (geological period 417-354m years ago)
- Carboniferous (geological period 354-292m years ago)
- Permian (geological period 292-250m years ago)
- 中生代 Zhōng shēng dài: 中生代 Zhong1 sheng1 dai4: Mesozoic (geological era 250–65 million years ago, covering the Triassic, Jurassic, and Cretaceous)中生代 zhōng shēng dài: 中生代 zhong1 sheng1 dai4: the middle generation (between senior and junior cohorts, esp. in a profession)
- Triassic (geological period 250-205m years ago)
- Jurassic (geological period 205-140m years ago)
- 新生代 Xīn shēng dài: 新生代 Xin1 sheng1 dai4: Cenozoic (geological era covering the last 65m years)新生代 xīn shēng dài: 新生代 xin1 sheng1 dai4: new generation
- third period; tertiary (geological era since the extinction of the dinosaurs at the Cretaceous-Tertiary boundary 65 million years ago)
- fourth period; quaternary (geological period covering the recent ice ages over the last 180,000 years)
- in a flash (idiom)
- dynasty
- fireworks
- stick; club; cudgel; smart; capable; strong; wonderful; classifier for legs of a relay race
- to decline; to wane
- spaceship; spacecraft
- to advance; forward motion
- to float up
- tone of voice; the way one speaks; manner of expression; tone
- crowded to bursting point; filled to overflowing; jam-packed
- dinosaur (CL:頭|头[tou2],隻|只[zhi1]); (old) (slang) ugly person
- reptile