Fat
Fats consist of a wide group of compounds that are generally soluble in organic solvents and generally insoluble in water. Chemically, fats are triglycerides, triesters of glycerol and any of several fatty acids. Fats may be either solid or liquid at room temperature, depending on their structure and composition. Although the words "oils", "fats", and "lipids" are all used to refer to fats, "oils" is usually used to refer to fats that are liquids at normal room temperature, while "fats" is usually used to refer to fats that are solids at normal room temperature. "Lipids" is used to refer to both liquid and solid fats, along with other related substances, usually in a medical or biochemical context. The word "oil" is also used for any substance that does not mix with water and has a greasy feel, such as petroleum (or crude oil), heating oil, and essential oils, regardless of its chemical structure.
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Famous quotes containing the word fat:
“This fat pistache of Belgian grapes exceeds
The total gala of auburn aureoles.
Cochon! Master, the grapes are here and now.”
—Wallace Stevens (1879–1955)
“A little instruction in the elements of chartography—a little practice in the use of the compass and the spirit level, a topographical map of the town common, an excursion with a road map—would have given me a fat round earth in place of my paper ghost.”
—Mary Antin (1881–1949)
“... fat neglected chances
That we insensately forbore to fleece.
On this we blame our last
Threadbare perspectives, seasonal decrease.”
—Philip Larkin (1922–1986)