Upada-rupa

Upādā-rūpa: 'derived materiality', signifies the 24 secondary material phenomena dependent on the 4 primary physical elements, i.e. the sense-organs and sense-objects, etc.
==References==
Maha Thera Nyanatiloka. Manual of Buddhist Terms and Doctrines, Buddhist Publication Society, first edition 1952. 
Category:Pali terms