Definable

• (a.) Capable of being defined, limited, or explained; determinable; describable by definition; ascertainable; as, definable limits; definable distinctions or regulations; definable words.
Found on http://thinkexist.com/dictionary/meaning/definable/

definable

adjective capable of being defined, limited, or explained; `definable terms`; `definable rules`
Found on https://www.encyclo.co.uk/local/20974

Definable

De·fin'a·ble adjective [ From Define .] Capable of being defined, limited, or explained; determinable; describable by definition; ascertainable; as, definable limits; definable distinctions or regulations; definable words. -- De*fin'a*bly , ad...
Found on http://www.encyclo.co.uk/webster/D/23

definable

[adj] - capable of being defined, limited, or explained
Found on http://www.webdictionary.co.uk/definition.php?query=definable