Definition that contains helical
- thread the raised helical rib going around a screw
- watson United States geneticist who (with Crick in 1953) helped discover the helical structure of DNA (born in 1928)
- spiral flying downward in a helical path with a large radius
- crick English biochemist who (with Watson in 1953) helped discover the helical structure of DNA (1916-2004)
- james dewey watson United States geneticist who (with Crick in 1953) helped discover the helical structure of DNA (born in 1928)
- spring scale a balance that measure weight by the tension on a helical spring
- francis henry compton crick English biochemist who (with Watson in 1953) helped discover the helical structure of DNA (1916-2004)
- james watson United States geneticist who (with Crick in 1953) helped discover the helical structure of DNA (born in 1928)
- twist bit a bit or drill having deep helical grooves
- genus heliobacter a genus of helical or curved or straight aerobic bacteria with rounded ends and multiple flagella; found in the gastric mucosa of primates (including humans)