Sugar Sugar Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food. The various types of sugar are derived from different sources. Simple sugars are called monosaccharides and include glucose (also known as dextrose), fructose, and galactose. "Table sugar" or "granulated sugar" refers to sucrose, a disaccharide of glucose and fructose. In the body, sucrose is hydrolysed into fructose and glucose. Sucrose is used in prepared foods (e.g. cookies and cakes), is sometimes added to commercially available beverages, and may be used by people as a sweetener for foods (e.g. toast and cereal) and beverages
Proper noun term "common name" is not much used to contrast with "proper name", but some linguists have used the term for that purpose. Sometimes proper names are called simply "names"; but that term is often used more broadly. Words derived from proper names are sometimes called "proper adjectives" (or "proper adverbs", and so on), but not in mainstream linguistic theory. Not every noun or noun phrase that refers to a unique entity is a proper name. "Blackness" and "chastity" are common nouns, even if blackness and chastity are considered unique abstract entities. Few proper names have only one possible referent: there