Simple Browser : Welcome guest : log in
Home |  Graph |  ]  KB:  Language:   

Formal Language: 




Sigma KEE - Ivory
KB Term: 

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
象牙
A very hard substance that makes up the tusks of elephants and walruses.
Relationships      
Parents 骨骼 Rigid Tissue composed largely of calcium that makes up the skeleton of Vertebrates. Note that this Class also includes teeth.


Show simplified definition with tree view
Show full definition (without tree view)
Show full definition (with tree view)


Sigma web home      Suggested Upper Merged Ontology (SUMO) web home
Sigma version 2.99c (>= 2017/11/20) is open source software produced by Articulate Software and its partners