quack grass |
see "couch grass." |
quad1 |
a large, open, usu. grassy area with buildings on all four sides, esp. on a college campus; quadrangle. |
quad2 |
in printing, a piece of type that does not register, used for filling blank areas and spaces. [2 definitions] |
quad3 |
a quadruplet. |
quad4 |
quadraphonic. [2 definitions] |
quad5 |
a unit of energy equal to one quadrillion British thermal units. |
Quadragesima |
the first Sunday of Lent. |
quadrangle |
a closed two-dimensional figure with four sides, such as a rectangle or parallelogram. [3 definitions] |
quadrant |
one quarter of the arc of a circle. [5 definitions] |
quadraphonic |
of, concerning, or used for the reproduction of sound, esp. music, over four distinct channels. |
quadrat |
see "quad2." [2 definitions] |
quadrate |
a square or rectangle. [5 definitions] |
quadratic |
of, concerning, or involving mathematical expressions containing a variable that is raised to the second power at most. [2 definitions] |
quadratic equation |
in algebra, an equation in which the square is the highest power to which the unknown quantity is raised. |
quadrature |
the act or process of squaring. [3 definitions] |
quadrennial |
happening once every four years. [3 definitions] |
quadri- |
four. |
quadriceps |
a group of four large muscles located at the front of the thigh. |
quadrilateral |
having four sides. [2 definitions] |
quadrille1 |
a formal square dance with five separate movements executed by four couples. [2 definitions] |
quadrille2 |
an eighteenth-century card game for four players. |