Where it was introduced as an exotic substance it was more highly valued.

To the Sumerian, Egyptian and Mycenaean peoples lapis lazuli had the added attraction of appearing as an exotic substance.

But this exotic substance remained little more than a lab freak.

Nearby, Market Spice (founded 1911) sells slightly less exotic herbal substances.

The idea excited him, but he wasn't certain he could profitably export the exotic substance.

Then again I can't really be sure, because the purveyors of exotic substances from across the road had charmed their evil spell on us both.

Or it can be seen as a sweet and gradual evolution whereby an exotic substance is transmogrified in order to assume a traditional position on a dinner plate.

Children's toys made from exotic alien substances that were smooth and chill to the touch.

They are exploiting the recent discovery that ceramics containing exotic substances become superconducting at temperatures far higher than those previously recorded.

While many woodworkers search out exotic substances like African blackwood, others look for local woods.