Yn (disambiguation)

YN, Y.N., or Yn may refer to:

• Yn (Ꙟ ꙟ), a letter of the old Romanian Cyrillic alphabet
• yn, a word in the Welsh language for "in"
• Yeoman rank
• Triple bond in a chemical compound
• Y.N. Hosakote, a village in the southern state of Karnataka, India
• 2C-YN, an analogue of the phenethylamine derived hallucinogen 2C-E where the ethyl group has been replaced by an ethynyl group.
• Yn question, an abbreviation for Yes-no question

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