helicon
noun
- type of plasma wave
- brass instrument
Wiktionary
Pronunciation: /ˈhɛlɪkɒn/ / /ˈhɛlɪkən/ / /ˈhɛlɪkɑn/
name
- A mountain of Boeotia sacred to Apollo and the Muses.
noun
Etymology: Probably from helic- + -on (“augmentative suffix”), from Ancient Greek ἕλῐξ (hélĭx) + -on, after bombardon.
- A large tuba whose coils fit around the player's shoulders.
- A low-frequency electromagnetic wave observed in various plasmas.