esti f (plural estis) 1  Alternative form of. â 2 estiâ in le TrÃ©sor de la langue franÃ§aise informatisÃ© (The Digitized Treasury of the French Language).
Frame dragging is a theory which says that space is elastic, and particles in it will exchange energy with it. In the scientific world, elastic means that when you apply a certain amount of force to an object (which will cause it to bend) and then remove the force, the object will return to its original shape and energy state.
A standing frame is a type of assistive device used for individuals with physical limitations that inhibit the ability to obtain or hold a standing position. Also called a standing box or stander, this desk-like apparatus can increase the amount of time in a stationary position by supporting the knees, hips and trunk through padded blocks and arm supports.