protractor

"The adjustable chair in the classroom allowed students to sit comfortably at different heights. "

"After his soccer injury, Michael saw a physiotherapist to help him regain strength in his leg. "

"The violinist was a master of her instrument."

"The lawyer's lengthy questioning protracts the trial, delaying the final verdict. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The teacher arranged the desks in a semicircular formation so everyone could see the presentation. "

"The Marines today launched a major offensive."

"to extract a tooth from its socket, a stump from the earth, or a splinter from the finger"

"The stretching of the rubber band showed its elasticity. "

"strengthen a muscle"

"The protraction of the school project meant we had less time to finish it well. "

"We measured the temperature with a thermometer.   You should measure the angle with a spirit level."