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Lipid Meaning: Definition, Examples, and Translations

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lipid

[ˈlɪpɪd ]

Definition

Context #1 | Noun

biochemistry

A lipid is a group of naturally occurring molecules that include fats, waxes, sterols, and fat-soluble vitamins. They are insoluble in water but soluble in organic solvents. Lipids serve as structural components of cell membranes, energy storage molecules, and signaling molecules.

Synonyms

cholesterol, fat, oil.

Which Synonym Should You Choose?

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Word Description / Examples
lipid

Use this term in scientific or medical contexts to refer to a broader category of fats and fat-like substances.

  • Lipids are essential components of cell membranes.
  • A lipid test can determine your risk for cardiovascular diseases.
fat

A more general term used in everyday language to describe substances in food that provide energy and also to refer to body fat.

  • You should limit your intake of saturated fats.
  • The body stores excess calories as fat.
oil

Commonly used in cooking and food preparation contexts, referring to liquid fats that are typically plant-based.

  • Olive oil is considered a healthy cooking oil.
  • She poured some oil into the pan before frying the vegetables.
cholesterol

This term is often mentioned in health and nutrition contexts, particularly when discussing blood levels and heart health.

  • High cholesterol levels can increase your risk for heart disease.
  • You should get a cholesterol check annually.

Examples of usage

  • Lipids play a crucial role in maintaining the structure and function of cell membranes.
  • The body stores excess energy in the form of lipids, primarily as triglycerides.
  • Lipids are involved in important signaling pathways in the body.
  • Lipids are essential for the absorption of fat-soluble vitamins.
  • Lipids can be found in both animal and plant sources.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Biological Importance

  • Lipids play an essential role in cell membranes, helping to protect and organize cells.
  • They are vital for storing energy, as they contain more than double the energy content of carbohydrates.
  • Certain lipids, like omega-3 fatty acids, are critical for brain health and reducing inflammation.

Nutrition

  • There are different types of lipids: saturated, unsaturated, and trans fats, each affecting health differently.
  • Healthy sources of lipids include avocados, nuts, and olive oil, while harmful trans fats are often found in processed foods.
  • The balance of lipids in one's diet can significantly affect overall well-being and heart health.

Cultural References

  • Lipids are often discussed in diet culture, frequently linked to weight loss and eating habits.
  • The popularity of low-fat diets in the 1980s created a stigma around all types of fats, which has since evolved to a more balanced view.
  • In modern cooking, fats are re-appreciated, with many chefs emphasizing the flavor-enhancing qualities of healthy lipids.

Science

  • Lipids can be classified into categories like triglycerides, phospholipids, and steroids, each with unique functions.
  • Research on lipids goes beyond health, being used in pharmaceuticals to create drug delivery systems.
  • Recent studies link certain lipid biomarkers to diseases, offering insight into potential early detection methods.

Origin of 'lipid'

Main points about word origin

  • The word comes from the Greek 'lipos', meaning 'fat'.
  • It was first used scientifically in the 19th century to describe fatty substances.
  • Originally, the term referred specifically to substances that dissolved in alcohol but not in water.

The term 'lipid' comes from the Greek word 'lipos', which means fat. The study of lipids dates back to the 19th century when scientists began to recognize the importance of these molecules in living organisms. Over the years, research has revealed the diverse functions of lipids in the body, leading to a better understanding of their roles in health and disease.

See also: lip, lips, lipstick.

Word Frequency Rank

Position #8,262 indicates this is an advanced-level word. While not essential for basic communication, it will enhance your ability to understand and create more nuanced content.