linoleic acid: meaning, definition, pronunciation and examples
C2Scientific/Technical, Academic
Quick answer
What does “linoleic acid” mean?
An essential polyunsaturated fatty acid with 18 carbon atoms and two double bonds, necessary for human nutrition.
Audio
Pronunciation
Definition
Meaning and Definition
An essential polyunsaturated fatty acid with 18 carbon atoms and two double bonds, necessary for human nutrition.
A colourless liquid omega-6 fatty acid, found in many vegetable oils, which plays a crucial role in biological membrane structure, energy storage, and as a precursor for signaling molecules.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or spelling differences. Pronunciation differs slightly (see IPA).
Connotations
Identical technical/scientific connotations in both varieties.
Frequency
Used with identical frequency in relevant technical contexts in both the UK and US.
Grammar
How to Use “linoleic acid” in a Sentence
[Linoleic acid] is found in [sunflower oil].[Food] contains [linoleic acid].[Researchers] studied the effects of [linoleic acid].Vocabulary
Collocations
Examples
Examples of “linoleic acid” in a Sentence
adjective
British English
- The linoleic acid content is crucial.
- A linoleic acid deficiency is rare.
American English
- The linoleic acid levels were measured.
- Linoleic acid metabolism is complex.
Usage
Meaning in Context
Business
Used in marketing for health foods, supplements, and cooking oils (e.g., 'high in linoleic acid').
Academic
Common in biochemistry, nutrition, physiology, and food science research papers.
Everyday
Rare. May appear on food labels or in articles about healthy eating.
Technical
The primary context. Used in laboratory analyses, pharmaceutical formulations, and detailed nutritional guidelines.
Vocabulary
Synonyms of “linoleic acid”
Vocabulary
Antonyms of “linoleic acid”
Watch out
Common Mistakes When Using “linoleic acid”
- Mispronouncing as 'line-o-lick'.
- Spelling as 'linolic acid'.
- Confusing it with linolenic acid (alpha or gamma).
FAQ
Frequently Asked Questions
It is an essential nutrient, but modern diets often have an imbalance, with too much omega-6 (like linoleic acid) relative to omega-3, which may promote inflammation.
It is abundant in vegetable oils like sunflower, safflower, corn, and soybean oil, as well as nuts and seeds.
Linoleic acid (LA) is an omega-6 fat with 18 carbons and two double bonds. Linolenic acid usually refers to alpha-linolenic acid (ALA), an omega-3 fat with 18 carbons and three double bonds.
No, it is an essential fatty acid, meaning it must be obtained from the diet.
An essential polyunsaturated fatty acid with 18 carbon atoms and two double bonds, necessary for human nutrition.
Linoleic acid is usually scientific/technical, academic in register.
Linoleic acid: in British English it is pronounced /ˌlɪn.əʊˈliː.ɪk ˈæs.ɪd/, and in American English it is pronounced /ˌlɪn.oʊˈliː.ɪk ˈæs.ɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of LINseed OIL (the source it was first isolated from) + EIC (sounds like 'ache' - it helps with inflammation).
Conceptual Metaphor
A BUILDING BLOCK (for cell membranes and other molecules).
Practice
Quiz
Linoleic acid is classified as which type of fatty acid?