Print. While many people identify Swiss chard as a kind of spinach, it is in fact known and officially catalogued as spinach beet and silver beet, and is not the same family as spinach at all. Silver beet (or chard) is related to the beetroot family.t has a delicate taste and may be eaten raw or blanched, either in salad or as a vegetable. Unlike Swiss chard, true spinach has a relatively short picking season, and is therefore less productive. But it is just as easy to grow in the right conditions.
Definition of Perfect Square. Perfect square is a number that has a rational number as its square root. 1  49 is a perfect square as 49 = 72.  The following are few more examples of perfect squares.
Perfect competition is a market system characterized by many different buyers and sellers. In the classic theoretical definition of perfect competition, there are an infinite number of buyers and sellers. With so many market players, it is impossible for any one participant to alter the prevailing price in the market. If they attempt to do so, buyers and sellers have infinite alternatives to pursue.