helicon

noun
hel·​i·​con | \ ˈhe-lə-ˌkän How to pronounce helicon (audio) , -li-kən\

Definition of helicon

 (Entry 1 of 2)

: a large circular tuba similar to a sousaphone but lacking an adjustable bell

Helicon

geographical name
Hel·​i·​con | \ ˈhe-lə-ˌkän How to pronounce Helicon (audio) , -li-kən\
variants: or Modern Greek Elikón \ ˌe-​lē-​ˈkȯn How to pronounce Elikón (audio) \

Definition of Helicon (Entry 2 of 2)

mountain 5735 feet (1748 meters) high in southwestern Boeotia, east central Greece, near the Gulf of Corinth

Illustration of helicon

Illustration of helicon

Noun

In the meaning defined above

Examples of helicon in a Sentence

Recent Examples on the Web: Noun

In order to solve the problem, the Japanese and Australian scientists propose using what's known as a helicon double-layer thruster. David Grossman, Popular Mechanics, "New Space Junk Solution Would Clean Up Debris With Ion Beams," 27 Sep. 2018

First Known Use of helicon

Noun

circa 1875, in the meaning defined above

History and Etymology for helicon

Noun

probably from Greek helik-, helix + English -on (as in bombardon); from its tube's forming a spiral encircling the player's body

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