Raw ground beef can harbor harmful bacteria that multiply rapidly when the meat's temperature is between 40 and 140 degrees Fahrenheit. For safety and to maintain freshness, never leave ground beef at room temperature for more than two hours. If the ambient temperature is above 90 F, do not leave it out for more than one hour.
Enhance is defined as to make something better or improve the condition of something. 1  An example of enhance is making the image in a photograph clearer. 2  An example of enhance is a woman using make up to bring out her eyes.
Many people use the expression enhance your chance to point out ways to increase your chances of winning or earning a contest or prize. When you enhance something, you heighten it or make it better. Hance is not a word, but the addition of en- does something to enhance it and improve its sound. You can enhance the size of something, too, by altering it or raising it, which is what the word original meant (the hance part came via French from Latin altus, meaning high).