In the Catholic faith, a derogatory word for "radical traditionalist." This generally involves the following things:
1) Rejection of Vatican II
2) Rejection of the non-Latin mass
3) Rejection of the authority of the current bishops and pope

1. noun. It is the sudden feeling of an inexplicable joy one gets when something romantic or idealistic occurs.

When kilig, one may experience the following:

*butterflies in one's stomach
*heart melting
*shivers down one's spine
*irrepressible noises from one's mouth
*uncontrollable smiling
*an inner conflict between hope of something wished for and reality

Kilig may also be defined as that mountain top, floating, on cloud nine, invincible, i-could-keep-smiling, heart aching goodness and feeling which overpowers the mind's ability to think straight, act straight, breathe properly and articulate thoughts into a single comprehensible sentence.

RADionuclide, Transport, Removal, and Dose Estimation

A computer code developed by the NRC for radiological dose analysis around nuclear plants.