Tornadoes that form over water are called waterspouts.

VOA: special.2010.05.11

Erik Leaver of the Institute of Policy Studies says one big difference is that the strongest opposition about Afghanistan may form over the financial cost of the war rather than the human one.

VOA: standard.2009.09.09

It is also useful because the mold can be used over and over again to make exact copies of the ceramic form.

VOA: special.2009.09.09

People infected with this form may develop the disease over many years without any major symptoms.

VOA: special.2010.01.04

Before the age of television and the Internet puppet shows were a major form of entertainment for audiences of all ages all over the world.

VOA: special.2009.09.23

The task force did not suggest one form of mammography over another.

VOA: special.2009.11.18

So over two and a half times the food that is delivered in the form of aid, is actually thrown away here in Japan.

VOA: standard.2009.09.09

He says the tuberculosis epidemic is far from over and is being aggravated by multi-drug resistant TB and its even more dangerous form, extensively drug-resistant TB.

VOA: standard.2009.12.09