repetitive and rapid, jerky, involuntary movement that appears to be well-coordinated; often seen in Huntington's disease.

(syntax) a syntactic phenomenon found in many languages around the world, in which interrogative words (sometimes called wh-words) or phrases show a special word order. Unlike ordinary phrases, such wh-words appear at the beginning of an interrogative clause.

plural of Brownian movement

The optical illusion whereby a series of static images shown in rapid succession on a screen appear to show a smoothly animated scene.

(aviation, often plural) The take-off or landing of an aircraft at an airport.

plural of aircraft movement

A social movement which campaigned against the consumption of alcohol, and which spread to many countries in its heyday in the 19th and early 20th centuries.

plural of temperance movement

(Christianity) A Wesleyan-Arminian set of Christian beliefs and practices that emerged chiefly within 19th-century Methodism and emphasize the doctrine of a second work of grace leading to Christian perfection.

Synonym of pincer attack