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单词 octogenarian
释义 octogenarian
 —octogenarianism,  n.  
 /ok'teuh jeuh nair"ee euhn/,  adj.   Also, octogenary /ok toj"euh ner'ee/.
  1. of the age of 80 years.
  2. between 80 and 90 years old.
  n.  
  3. a person who is between 80 and 90 years old.
 [1805-15; < L octogenari(us) comprising eighty, eighty years old (equiv. to octogen(i) eighty each + -arius -ARY) + -AN]
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