(pharmacology) The molecular framework responsible for a drug's biological activity

(US, slang) awesomeness, fantasticalness (quality of being awesome).

The single or split (then rather plural) bottom part of a shirt, below the waist, especially in the back, which, when not tucked into trousers or other vestment, hangs over the wearer's tail-end, l...

Experiencing or exhibiting relief; freed from stress or discomfort.