单词：x 

名词

• 
  [1.n.x] (同义词:[ten]  [10]  [X]  [tenner]  [decade]  )
• 
  注释列句：the cardinal number that is the sum of nine and one; the base of the decimal system
• 上位词 -> [large_integer]  [integer]  [number]  [definite_quantity]  [measure]  [abstraction]  [entity] 
• 
  [2.n.x] (同义词:[X]  [x]  [ex]  )
• 
  注释列句：the 24th letter of the Roman alphabet
• 上位词 -> [letter]  [character]  [written_symbol]  [symbol]  [signal]  [communication]  [abstraction]  [entity] 
• 成员总称 -> [Roman_alphabet] 
  所有总称 -> [Roman_alphabet] 
  
• 
  [3.n.x] (同义词:[Adam]  [ecstasy]  [XTC]  [go]  [disco_biscuit]  [cristal]  [X]  [hug_drug]  )
• 
  注释列句：street names for methylenedioxymethamphetamine
• 上位词 -> [methylenedioxymethamphetamine]  [club_drug]  [controlled_substance]  [drug]  [agent]  [causal_agent]  [physical_entity]  [entity] 

形容词

• 
  [1.a.x] (同义词:[ten]  [10]  [x]  )
• 
  注释列句：being one more than nine
• 近义词 -> [cardinal]