Infrasound vs Elf - What's the difference?

infrasound | elf |


As a noun infrasound

is (physics) sound waves having frequency below the human audible range (below about 20 hz).

As an initialism elf is

(a radical environmentalism group).

infrasound

English

Noun

(wikipedia infrasound)
  • (physics) Sound waves having frequency below the human audible range (below about 20 Hz).
  • Antonyms

    * ultrasound

    elf

    English

    Noun

    (elves) (wikipedia elf)
  • (Norse mythology) A luminous spirit presiding over nature and fertility and dwelling in the world of (Elfland). Compare angel, nymph, fairy.
  • * Shakespeare
  • Every elf , and fairy sprite, / Hop as light as bird from brier.
  • Any from a race of mythical, supernatural beings resembling but seen as distinct from human beings. Usually skilled in magic or spellcrafting; sometimes depicted as clashing with dwarves, especially in modern fantasy literature.
  • (fantasy) Any of the magical, typically forest-guarding races bearing some similarities to the Norse (through Tolkien's Eldar)
  • A very diminutive person; a dwarf.
  • Derived terms

    * elfin * elfinwood * elfish * Elfland * elflock * elven * elvish * light elves * dark elves

    See also

    * fay * fairy * brownie * dwarf * hobbit

    References

    * Marshall Jones Company (1930). Mythology of All Races'' Series, Volume 2 ''Eddic , Great Britain: Marshall Jones Company, 1930, pp. 220-221.