OAS
OAS is the initialism of oral allergy syndrome.
OAS is the initialism of original antigenic sin.
OAS is the initialism of Organization of American States.
OAS is the initialism of Old Age Security.
OAS is the initialism of OpenAPI Specification.
OAS is the initialism of Organisation de l’Armée Secrète.
Meaning of oral allergy syndrome
Noun
oral allergy syndrome (uncountable)
Meaning of original antigenic sin
Noun
original antigenic sin (uncountable)
- The propensity of the immune system to preferentially use immunological memory based on a previous infection when a second, slightly different version of the foreign pathogen is encountered, leaving the immune system "trapped" by the first response it has made to each antigen, and unable to mount potentially more effective responses during subsequent infections.
- Synonyms:
- Hoskins effect, OAS
Proper noun (1) capitalized: Oas
Oas
- A municipality of Albay, Philippines.
Proper noun (2) capitalized: Oas
Oas (plural Oases)
- A surname from Norwegian.
Forms of OAS
| plural | Oases |
|---|
Origin of OAS
Altered spelling of Aas.
Questions about OAS
- What does OAS mean?
- OAS means a municipality of Albay, Philippines.
- What is OAS the initialism of?
- OAS is the initialism of oral allergy syndrome.
- What part of speech is OAS?
- OAS is a proper noun.
Words near OAS in the dictionary
Source and license
Adapted from Wiktionary: OAS (page history and authors); Oas (page history and authors); oral allergy syndrome (page history and authors); original antigenic sin (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “OAS.” Word.ws, https://word.ws/oas. Based on Wiktionary, CC BY-SA 4.0.