So far, the gas tests have been conducted on buckyballs in powdered form.

In some studies, oral administration of either liquid or powdered forms has been used.

"So a powdered form introduced from the air would do the trick?"

These products come in powdered form to be mixed with water.

The two were the first to market and distribute the sugar substitute in powdered form.

In such a fine powdered form, iron can burn, due to its increased surface area.

Death by chocolate was not going to come in powdered form.

It is either directly added as small pieces or put in powdered form during the preparation of tea.

It might be in a paper, if he took the powdered form, though that would be awkward.

The powdered form must be mixed in water prior to use; a liquid version is also available.