けいとう

系統

表記・読み：けいとう

1. 1

   system

   名詞
2. 2

   lineage; ancestry; family line

   名詞
3. 3

   group (e.g. of colors) (colours); family (e.g. of languages); party; school (of thought)

   名詞
4. 4

   close (evolutionary) relationship

   名詞
5. 5

   a population sharing a common ancestor (in genetics); strain (e.g. bacterial)

   名詞