This makes them of like species in every respect except they are of opposite polarity.

The only true insulation that will separate the opposite polarities of fields is time.

The Earth's force field causes the tides, as it is of opposite polarity to the water.

The planets being of opposite polarity could be attracted to it, but never thrown off from the Sun.

It can cause other molecules and bits of matter to take on an opposite magnetic polarity.

However, regarding to the ground, they have opposite polarities as above.

Six kids backed away from her, like little magnets turned to opposite polarity.

Only bullets of an opposite polarity can kill the player.

If C has a negative charge, the charges have opposite polarity.

The start and stop bits must be of opposite polarity.