Jisho

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だいにじせいちょう 第二次性徴
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Noun
1. secondary sex characteristic​
Wikipedia definition
2. Secondary sex characteristic​Secondary sex characteristics are feature that distinguish the two sexes of a species, but that are not directly part of the reproductive system. They are believed to be the product of sexual selection for traits which give an individual an advantage over its rivals in courtship and aggressive interactions. They are distinguished from the primary sex characteristics-- the sex organs-- which are directly necessary for reproduction to occur.
Read “Secondary sex characteristic” on English Wikipedia
Read “第二次性徴” on Japanese Wikipedia
Read “Secondary sex characteristic” on DBpedia
Other forms
第２次性徴 【だいにじせいちょう】

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