pore

But the big challenge is that metal parts created with additive manufacturing have defects -- like pores, or "voids," rough surfaces and large spatters -- that significantly compromise the finished part's reliability and durability.

As a result, C4 plants eliminate those oxygen-use mistakes to conserve energy and keep plant surface pores closed more often to conserve water.

Sometimes the holes, or pores, in the molecular structure of a chemical only appear in the presence of certain conditions or other 'guest' molecules.

A camera might alert police the moment it registers the vehicle of a person wanted as part of an investigation or authorities might pore through captured images as part of a case, he said.

They spent the afternoon poring over family photographs.