けい

系

表記・読み：けい

1. 1

   system; lineage; group

   名詞noun, used as a suffix
2. 2

   corollary

   名詞mathematics
3. 3

   system (range of strata that correspond to a particular time period)

   名詞noun, used as a suffixgeology
4. 4

   (taxonomical) series

   名詞noun, used as a suffix
5. 5

   -type; -ish

   noun, used as a suffixcolloquial