Anxiety Disorder Statistics. Anxiety Disorders affect 18.1 percent of adults in the United States (approximately 40 million adults between the ages of 18 to 54).
Perfect square. Perfect square is an element of algebraic structure which is equal to the square of another element. Square number, a perfect square integer.
word square. n a puzzle in which the player must fill a square grid with words that read the same across as down. English Collins Dictionary-English Definition & Thesaurus &nbsp. See also: on the square, all square, bevel square, Latin square. paint oneself into a corner. paint oneself into a corner. exp. do something which puts you in a very difficult situation and limits the way that you can act. a square peg in a round hole. a square peg in a round hole. exp.