from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The systematic study and organization of everything dealing with knowing and knowledge.
from the GNU version of the Collaborative International Dictionary of English
- n. The science of intellectual phenomena.
from The Century Dictionary and Cyclopedia
- n. The science of the understanding.
From Ancient Greek νοῦς (nous, "mind") + -logy. (Wiktionary)