| Recall from basic chemistry that pH is a measure of how many hydrogen ions are floating around looking to attract oppositely charged particles. |
| Adjacent cells are joined together at the junction of oppositely oriented elevations which have a small spine at the tip. |
| Specifically, large electropositive or electronegative regions can reasonably attract oppositely charged entities through long-range electrostatic interactions. |
| When the train turned toward the left or right, the compass naturally turned oppositely. |
| The edges of many of the sheets were rolled, and cusps formed where two oppositely scrolled edges met. |
| The neuromasts in the sacculus are apparently oriented oppositely from those in the utriculus. |
