பொருள் : Not spreading pollution or contamination. Especially radioactive contamination.
எடுத்துக்காட்டு :
A clean fuel.
Cleaner and more efficient engines.
The tactical bomb is reasonably clean.
ஒத்த சொற்கள் : clean
Spreading pollution or contamination. Especially radioactive contamination.
The air near the foundry was always dirty.