Heli-boarding
noun
1.
(NZ) the sport of snowboarding on mountains or glaciers accessible only by helicopter or skiplane
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- Heliborne
[hel-uh-bawrn, -bohrn] /ˈhɛl əˌbɔrn, -ˌboʊrn/ adjective 1. transported by helicopter: heliborne troops.
- Helic-
1. variant of before a vowel: helical.
- Helical
[hel-i-kuh l, hee-li-] /ˈhɛl ɪ kəl, ˈhi lɪ-/ adjective 1. pertaining to or having the form of a ; spiral. /ˈhɛlɪkəl/ adjective 1. of or shaped like a helix; spiral adj. “spiral-shaped,” 1590s, from Latin helicem (see helix) + -al (1). helical hel·i·cal (hěl’ĭ-kəl, hē’lĭ-) adj.
- Helical-gear
noun 1. a cylindrical gear wheel whose teeth follow the pitch surface in a helical manner. noun 1. a cylindrical gearwheel having the tooth form generated on a helical path about the axis of the wheel
- Helically
[hel-i-kuh l, hee-li-] /ˈhɛl ɪ kəl, ˈhi lɪ-/ adjective 1. pertaining to or having the form of a ; spiral. /ˈhɛlɪkəl/ adjective 1. of or shaped like a helix; spiral adj. “spiral-shaped,” 1590s, from Latin helicem (see helix) + -al (1). helical hel·i·cal (hěl’ĭ-kəl, hē’lĭ-) adj.