OMEGA-3

 Dictionary entry overview: What does omega-3 mean? 

• OMEGA-3 (noun)
  The noun OMEGA-3 has 1 sense:

1. a polyunsaturated fatty acid whose carbon chain has its first double valence bond three carbons from the beginning

  Familiarity information: OMEGA-3 used as a noun is very rare.

 Dictionary entry details 

• OMEGA-3 (noun)

Sense 1

Meaning:

A polyunsaturated fatty acid whose carbon chain has its first double valence bond three carbons from the beginning

Classified under:

Nouns denoting substances

Synonyms:

omega-3; omega-3 fatty acid

Hypernyms ("omega-3" is a kind of...):

polyunsaturated fatty acid (an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule; found chiefly in fish and corn and soybean oil and safflower oil)

Hyponyms (each of the following is a kind of "omega-3"):

alpha-linolenic acid (a polyunsaturated fatty acid with 18 carbon atoms; the only omega-3 fatty acid found in vegetable products; it is most abundant in canola oil; a fatty acid essential for nutrition)

docosahexaenoic acid (an omega-3 fatty acid with 22 carbon atoms; found in fish (especially tuna and bluefish))

eicosapentaenoic acid (an omega-3 fatty acid with 20 carbon atoms; found in fish (especially tuna and bluefish))

 Context examples 

With AREDS2, Dr. Chew and her team saw another opportunity to investigate the possible cognitive benefits of omega-3 supplements.

(Study shows no benefit of omega-3 or other nutritional supplements for cognitive decline, NIH)

They eat a specialized diet, including seals and whales, that’s rich in protein and omega-3 polyunsaturated fatty acids.

(Genetic Adaptations to Diet and Climate, NIH)

These variable findings may be because some studies used self-reported dietary information rather than directly measuring omega-3 levels.

(Omega-3s linked with lower risk of fatal heart attacks, NIH)

Omega-3 fatty acid supplements taken orally proved no better than placebo at relieving symptoms or signs of dry eye, according to the findings of a well-controlled trial.

(Omega-3s from fish oil supplements no better than placebo for dry eye, National Institutes of Health)

TBL-12 contains various amino acids, minerals, vitamins and omega-3 fatty acids.

(Nutraceutical TBL-12, NCI Thesaurus)

Fish also contains omega-3 fatty acids, which help brain development and protect against heart disease.

(Fairer fish trade could fix nutrient deficiencies in coastal countries, SciDev.Net)

Fatty fish is high in omega-3 fatty acids which have anti-inflammatory properties.

(Fish-Rich Diet Beneficial for Children with Asthma, The Titi Tudorancea Bulletin)

Omega-3 fatty acids do not occur naturally with chain lengths shorter than 16 carbon units.

(Omega-3 fatty acid, NCI Thesaurus)

A prodrug comprised of the naturally occurring omega-3 fatty acid docosahexaenoic acid (DHA) covalently conjugated to the anti-microtubule agent paclitaxel.

(DHA-paclitaxel, NCI Thesaurus)

Omega-3 supplements reduce antisocial behavior, so it's not too surprising that fish is behind this.

(Weekly Fish Consumption Linked to Better Sleep, Higher IQ, The Titi Tudorancea Bulletin)