What does triglyceride mean?
A triglyceride is a type of ester composed of glycerol and three fatty acid molecules. Triglycerides are a crucial form of energy storage in living organisms and are found in various types of fat, including body fat and vegetable oils. They are formed through a process called esterification, where glycerol reacts with three fatty acid molecules to produce a triglyceride and water. Triglycerides play a vital role in nutrition and metabolism, serving as an important source of energy for the body. Elevated levels of triglycerides in the blood can be a risk factor for certain health conditions, such as heart disease. Understanding triglycerides is essential for maintaining a healthy diet and lifestyle.
nounA triglyceride is a type of ester derived from glycerol and three fatty acid molecules. Triglycerides are the main constituent of body fat in humans and other animals, as well as of vegetable fat.
- A type of ester derived from glycerol and three fatty acid molecules.
- The main constituent of body fat in humans and other animals, as well as of vegetable fat.
"The patient's high levels of triglyceride in their blood were a cause for concern."
"The patient's high levels of triglyceride in their blood were a cause for concern."
"Triglycerides are an important source of energy for the body."
Countable, used to refer to multiple types or instances of triglyceride.
"The lab results showed high levels of triglycerides in the patient's blood."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of triglyceride
The term triglyceride is derived from the Greek words 'tri' meaning three and 'glyceride' referring to a type of ester derived from glycerol. The word has its roots in the late 19th century, when scientists began to study the composition of fats and oils. Triglycerides are also known as triacylglycerols, reflecting their chemical structure.
Usage notes
Triglyceride is a formal term commonly used in biochemistry, medicine, and nutrition. It is often used interchangeably with triacylglycerol, although technically, triacylglycerol refers specifically to triglycerides with three acyl groups.