elf

Noun
  1. (folklore) fairies that are somewhat mischievous (synset 109563850)
    referred to in: folklore - the unwritten lore (stories and proverbs and riddles and songs) of a culture
    is a type of: faerie, faery, fairy, fay, sprite - a small being, human in form, playful and having magical powers
    subtypes:
    • leprechaun - a mischievous elf in Irish folklore
    • sandman - an elf in fairy stories who sprinkles sand in children's eyes to make them sleepy
    same as: brownie, gremlin, hob, imp, pixie, pixy
  2. Below 3 kilohertz (synset 105064314)
    is a type of: radio frequency - an electromagnetic wave frequency between audio and infrared
    is a part of: electromagnetic spectrum - the entire frequency range of electromagnetic waves
    same as: extremely low frequency

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