So narrow is the pass at this point that the efforts of the bee are distinctly manifest from the outside in the distension of the part and the consequent slight change in the droop of the lip.
"My Studio Neighbors"
William Hamilton Gibson
Such occurrences are by no means uncommon when the great sky-lantern is at its full distension."
"Kai Lung's Golden Hours"
Ernest Bramah Commentator: Hilaire Belloc
His mouth was closed, but his nostrils seemed undergoing a rhythmical contraction and distension most interesting and unusual.
"Little Tora, The Swedish Schoolmistress and Other Stories"
Mrs. Woods Baker