There are 2 definitions of RIA in English:

RIA

Syllabification: RIA

abbreviation

  • 1Radioimmunoassay.
  • 1.1Royal Irish Academy.

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Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space

There are 2 definitions of RIA in English:

ria

Syllabification: ri·a
Pronunciation: /ˈrēə
 
/

noun

Geography
  • A long narrow inlet formed by the partial submergence of a river valley.
    More example sentences
    • Due to their nature, the rias or estuaries contain very peculiar ecosystems which often contain important amounts of fish.
    • The beaches that lie in some of the more protected rias have a warmer sea than those which are exposed, although water temperatures in Galicia never reach the heights found in the south of Spain.
    • Everyone in the busy tapas bar I ventured into was tucking into heaped platefuls of pulpo, Galicia's ‘national’ dish, scallops and tasty, but tough-to-open percebes, unique to the rias.

Origin

late 19th century: from Spanish ría 'estuary'.

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