[ fats ]
/ fæts /
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(used with a plural verb) cattle fattened and ready for market.
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Origin of fats

Plural of fat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What are fats?

Fats are greasy substances found in the tissues of animals and some plants.

Many of the foods we eat contain these fats. Foods from animals, such as meat, milk, and eggs, all contain fats. So do some plant-based foods, such as nuts, avocados, and olive oil.

The singular form fat can be used to collectively refer to the same thing. The body stores and uses fat for energy.

The plural form fats is most often used in the context of nutrition. There are several different kinds of fats, such as saturated fats, unsaturated fats, and trans-fats, each of which can have different effects on a person’s nutrition and health.

In general, it’s usually recommended not to consume too much fat. However, some fats are necessary in a diet because they help the body to absorb vitamins. The nutrition label on food products usually tell you exactly how much fat and what kinds of fats are in them.

Example: This diet is based on avoiding foods that are high in fats.

Where does fats come from?

Fats is the plural form of the noun fat. The first records of the word fat come from before the year 1000. It comes from the Old English verb fǣtan, meaning “to cram” or “to load.”

In the context of nutrition, the word fats is often used alongside words for other types of foods that make up a balanced diet, such as proteins and carbohydrates.

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What are some other forms related to fats?

  • fat (singular form)

What are some words that share a root or word element with fats

What are some words that often get used in discussing fats?

How is fats used in real life?

Fats is most commonly used in the context of nutrition.



Try using fats!

True or False? 

Only foods from animals contain fats.

How to use fats in a sentence

Cultural definitions for fats


Organic compounds that serve as a reserve of energy for the body. Fat is stored in the body's fat tissues, which provide support, protection, and insulation for the body and its organs. A balanced diet must include some fats because, in addition to providing energy for the body, they are necessary for the absorption of certain vitamins.

notes for fats

Many people consume too much fat in their diet; this imbalance can contribute to various diseases (such as disorders of the heart). Some fats, called saturated fats, have been found to raise the level of cholesterol in the blood, whereas other fats, called unsaturated fats, may help reduce blood cholesterol levels.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.