g-er]
| 1. | a sweet, crystalline substance, C1 2H2 2O1 1, obtained chiefly from the juice of the sugarcane and the sugar beet, and present in sorghum, maple sap, etc.: used extensively as an ingredient and flavoring of certain foods and as a fermenting agent in the manufacture of certain alcoholic beverages; sucrose. Compare beet sugar, cane sugar. |
| 2. | Chemistry. a member of the same class of carbohydrates, as lactose, glucose, or fructose. |
| 3. | (sometimes initial capital letter ) an affectionate or familiar term of address (sometimes offensive when used to strangers, casual acquaintances, subordinates, etc., esp. by a male to a female). |
| 4. | a word formerly used in communications to represent the letter S. |
| 5. | Slang. money. |
| 6. | Slang. LSD |
| 7. | to cover, sprinkle, mix, or sweeten with sugar. |
| 8. | to make agreeable. |
| 9. | to form sugar or sugar crystals. |
| 10. | to make maple sugar. |
| 11. | sugar off, (in making maple sugar) to complete the boiling down of the syrup in preparation for granulation. |

sugar sug·ar (sh&oobreve;g'ər)
n.
A crystalline or powdered substance consisting of sucrose obtained mainly from sugar cane and sugar beets and used in many medicines to improve their taste.
Any of a class of water-soluble crystalline carbohydrates, including sucrose and lactose, having a characteristically sweet taste and classified as monosaccharides, disaccharides, and trisaccharides.
sugar (sh g'ər) Pronunciation Key
Any of a class of crystalline carbohydrates that are water-soluble, have a characteristic sweet taste, and are universally present in animals and plants. They are characterized by the many OH groups they contain. Sugars are monosaccharides or small oligosaccharides, and include sucrose, glucose, and lactose. |