He wore a hi-vis jacket to stay safe in the dark.

The vis viva of the moving object is calculated by multiplying its mass by the square of its velocity.

Pre-vis is an essential step in the filmmaking process.

Pre-Vis is an important step in the production process.

The vis mortua of the ancient spirits haunted the old castle.

The vis impressa of the wind knocked down the trees.

The vis inertiae of the object prevented it from changing its direction.

The concept of vis vitalis was popular in the 18th century.

The vis vitae is the vital force that sustains life.

The swimmer was propelled forward by a vis a tergo.