trans-fat: meaning, definition, pronunciation and examples
C1/C2Technical / Medical / Nutritional / Health-conscious (everyday)
Quick answer
What does “trans-fat” mean?
A type of unsaturated fat artificially created by hydrogenating vegetable oils, making them solid at room temperature, which increases shelf life but is harmful to health.
Audio
Pronunciation
Definition
Meaning and Definition
A type of unsaturated fat artificially created by hydrogenating vegetable oils, making them solid at room temperature, which increases shelf life but is harmful to health.
Any fat containing trans-fatty acids, which are formed during industrial food processing and also occur naturally in small amounts in some meat and dairy products. It is linked to increased risk of heart disease, stroke, and type 2 diabetes.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. Spelling: Both 'trans-fat' (hyphenated) and 'trans fat' (two words) are used, with 'trans fat' being slightly more common in American English. The hyphenated form is slightly more prevalent in UK English.
Connotations
Identically negative in both varieties, associated with unhealthy, processed food.
Frequency
Comparable frequency, though public health campaigns in the US (mandatory labeling, bans in certain cities) may have increased its prominence in American media slightly earlier in the 2000s.
Grammar
How to Use “trans-fat” in a Sentence
contain [x] grams of trans-fatbe high/low in trans-fatbe free from/of trans-fatreduce/eliminate trans-fat in [product]Vocabulary
Collocations
Examples
Examples of “trans-fat” in a Sentence
verb
British English
- [No verb form]
American English
- [No verb form]
adverb
British English
- [No adverb form]
American English
- [No adverb form]
adjective
British English
- They've launched a new trans-fat-free margarine.
- The trans-fat content must be listed on the packaging.
American English
- This is a trans-fat free product.
- The FDA implemented trans-fat labeling rules.
Usage
Meaning in Context
Business
Discussed in food manufacturing, labeling regulations, and marketing (e.g., 'trans-fat-free' as a selling point).
Academic
Used in nutritional science, biochemistry, public health, and epidemiology papers studying its effects.
Everyday
Used by health-conscious consumers reading food labels or discussing diet (e.g., 'I avoid biscuits because they're full of trans-fats').
Technical
Precise term in food chemistry, nutrition labeling, and regulatory documents specifying limits or bans.
Vocabulary
Synonyms of “trans-fat”
Strong
Neutral
Weak
Vocabulary
Antonyms of “trans-fat”
Watch out
Common Mistakes When Using “trans-fat”
- Pronouncing 'trans' as in 'transport' (/træns/) instead of /trænz/.
- Using it as a countable noun without 's' (e.g., 'a trans-fat' is less common; 'trans-fats' or 'trans-fat' as an uncountable noun is standard).
- Confusing it with saturated fat.
FAQ
Frequently Asked Questions
No. Most harmful trans-fats are industrially created, but small amounts occur naturally in the meat and dairy products of ruminant animals (like cows and sheep).
They give processed foods a longer shelf life, better texture (e.g., flaky pastry, creamy fillings), and are cheaper than some stable natural fats like butter.
It is the main dietary source of artificial trans-fat. If you see 'partially hydrogenated oil' in the ingredients list, the product contains trans-fat, even if the nutrition label says '0g trans-fat' due to labeling loopholes.
Margarine, shortening, fried fast food, doughnuts, pastries, pie crusts, biscuits, crackers, and many packaged snack foods. Many have now been reformulated.
A type of unsaturated fat artificially created by hydrogenating vegetable oils, making them solid at room temperature, which increases shelf life but is harmful to health.
Trans-fat is usually technical / medical / nutritional / health-conscious (everyday) in register.
Trans-fat: in British English it is pronounced /ˌtrænz ˈfæt/, and in American English it is pronounced /ˌtrænz ˈfæt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for this technical term]”
Learning
Memory Aids
Mnemonic
Think of 'TRANSforming' a healthy liquid oil into an unhealthy solid fat through a chemical process. The 'trans-' prefix hints at this change in form.
Conceptual Metaphor
HEALTH IS PURITY / FOOD IS POISON: Trans-fat is conceptualized as a contaminant or toxic substance deliberately added to food.
Practice
Quiz
What is the primary public health concern associated with trans-fat consumption?