I had dug out the spring and made a well of clear gray water, where I could dip up a pailful without roiling it, and thither I went for this purpose almost every day in midsummer, when the pond was warmest.
Dean nodded in agreement, his stomach roiling and his heart racing as he hoisted his knapsack to his shoulders and they slowly entered.
She was hungover and tired, with a roiling stomach and headache, yet she managed to make it to work before the breakfast rush.
He sat up, bloodied and lightheaded, unable to quell the power roiling through him.
In the case of two shifting pieces this would involve equal and parallel velocities for all the points of each piece, so that there could be no rolling, and, in fact, the two pieces would move like one; hence, in the case of roIling contact, either one or both of the pieces must rotate.