| chi-square |
a statistical method that determines to what degree the differences between expected data and data actually derived can be ascribed to chance, rather than to some general cause or principle. |
| root mean square |
the square root of the arithmetic mean of the squares in a given set of numbers. |
| square away |
to put in order; arrange properly. |
| square dance |
a lively dance in which couples form circles, squares, or other shapes and often execute steps or maneuvers as they are called out by the caller. |
| square deal |
(informal) a fair, honest arrangement or deal, esp. a commercial transaction. |
| square knot |
a double knot with the free ends parallel to the standing parts. |
| square measure |
any system of units for measuring areas in squares, such as square inches or square meters. |
| square root |
a divisor of a number which, when multiplied by itself, equals that number. |
| square sail |
a four-sided sail rigged on a yard that is horizontal to the mast and athwart the keel of a sailing vessel. |
| square shooter |
(informal) one who is fair and honest in dealing with others. |
| square-dance |
to perform the square dance. |
| square-rigged |
of a sailing vessel, outfitted with square sails. |
| square-rigger |
a square-rigged sailing ship. |
| square-shouldered |
having a posture or build with the shoulders straight across rather than sloping. |
| T square |
a T-shaped ruler having a short crosspiece that fits over the edge of a drawing board, used by drafters to draw parallel lines. |
| Tiananmen Square |
an extensive public plaza in central Beijing, China, known widely in connection with the student protests of 1989. |
| try square |
a device consisting of a ruled straightedge set at right angles to another straightedge, used by carpenters in testing for squareness or marking out right angles. |
| word square |
a selection of words arranged in a square that reads the same vertically or horizontally. |