damp vs olfactory

damp

• In a state between dry and wet; moderately wet; moist. 

• Despondent; dispirited, downcast. 

• A gaseous product, formed in coal mines, old wells, pits, etc. 

• Moisture; humidity; dampness. 

• To suppress vibrations (mechanical) or oscillations (electrical) by converting energy to heat (or some other form of energy). 

olfactory

• Concerning the sense of smell. 

• The sense of smell.