ara

ara — noun

1. a fatty acid that is present in animal fats and oils; the body needs it to build

1.nounC1
Definition

a fatty acid that is present in animal fats and oils; the body needs it to build cell membranes and produce molecules that control inflammation and help wounds heal.

Example

The blood test showed Rafael's ara levels were higher after the fish-based diet.

passive: ara levels were measured in blood tests

Ara, or arachidonic acid, helps the body build cell walls and control swelling.

appositive: ara, or arachidonic acid, + biological function

Common collocations
  • ara levels
  • ara content
  • ara intake
  • rich in ara
  • dietary ara
Synonyms
  • arachidonic acid

    the full chemical name; 'ara' is always an abbreviation of this, never a different substance

  • omega-6 fatty acid

    a broader category that includes ara and several related fatty acids

Usage Note

Used mainly in scientific writing about nutrition, inflammation, and metabolism. In everyday speech, the full term 'arachidonic acid' or the general phrase 'fatty acids' is preferred.

Word family

  • arachidonic
    adjectiveC1
  • arachidonate
    nounC2

Synonym discussion

Sense: noun/1

All three terms refer to the same substance, but they differ in formality and specificity. 'Ara' (or 'ARA') is the standard scientific abbreviation used in laboratory reports, journal articles, and clinical notes — it assumes the reader already knows the full name. 'Arachidonic acid' is the complete chemical name, preferred in textbooks, patient education materials, and any context where the audience may not know the abbreviation. 'Omega-6 fatty acid' is a much broader category that includes arachidonic acid along with linoleic acid and others; using it instead of 'ara' loses precision. For example, a researcher might write 'ara levels increased by 15%', while a dietitian would say 'foods rich in arachidonic acid include egg yolks and liver', and a general article might note 'this oil contains omega-6 fatty acids such as arachidonic acid'.

arachidonic acidomega-6 fatty acidARA ↗

Common collocations

Nouns

Phrases

  • rich in ara
  • source of ara
  • dietary ara

Prepositions

Etymology

New LatinEnglish

The abbreviation 'ara' is formed from the first three letters of 'arachidonic acid'. The full chemical name comes from New Latin 'Arachis' (the genus name for peanuts), because arachidonic acid was first isolated from peanut oil. The suffix '-id-' marks it as a derivative, '-ic' turns it into an adjective, and 'acid' indicates the chemical class. The abbreviation is used mainly in modern scientific writing.