(Australia, New Zealand) An adjustable hand tool for tightening and loosening nuts and bolts.

plural of space opera

Synonym of torque wrench

(art) The space around and between the subjects of an image.

Alternative form of sparrow hawk

Any device that prevents the emission of flammable debris from combustion sources.

brand new; fire-new

The informal competition between the United States and the Soviet Union to launch unmanned satellites, send people into space and land them on the Moon.

An inability to walk due to stiffening of leg muscles and trembling.

vector space