- 螺旋桨 luóxuánjiǎng propeller
- 螺旋体 luóxuántǐ spirochetea phylum of spiral-shaped bacteria, including species that cause diseases such as syphilis
- 螺旋藻 luóxuánzǎo spirulinaa type of spiral-shaped blue-green algae often used as a nutrient-rich dietary supplement
- 双螺旋 shuāngluóxuán double helixa pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule.
- 螺旋形 luóxuánxíng spiralspiral shape
- 螺旋曲面 luóxuánqūmiàn helicoidspiral surface
- 螺旋测微器 luóxuáncèwēiqì micrometermicrometer screw gauge; micrometer
- 螺旋粉 luóxuánfěn fusillifusilli (corkscrew-shaped pasta)
- 螺旋钳 luóxuánqián wrench
- 螺旋面 luóxuánmiàn fusillifusilli (pasta)
- 包柔氏螺旋体 Bāoróushìluóxuántǐ BorreliaBorrelia, genus of Spirochaete bacteria
- 钩端螺旋体病 gōuduānluóxuántǐbìng leptospirosis
- 包氏螺旋体 Bāoshìluóxuántǐ BorreliaBorrelia, a genus of Spirochaete bacteria
- 幽门螺旋杆菌 yōuménluóxuángǎnjūn Helicobacter pyloriHelicobacter pylori (a type of bacterium found in the stomach)
- 幽门螺旋菌 yōuménluóxuánjūn Helicobacter pyloriHelicobacter pylori (stomach bacterium)
- 螺旋千斤顶 luóxuánqiānjīndǐng screw jack