noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of optionally piloted vehicle. US, abbreviation, alt-of, initialism
2. 2
   an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis wordnet
3. 3
   Initialism of organic photovoltaic. abbreviation, alt-of, initialism
4. 4
   Initialism of oral poliovirus vaccine. abbreviation, alt-of, initialism

Synonyms

All synonyms

optionally piloted vehicleoptionally piloted vehicleoral poliovirus vaccinerpvsabin vaccinesabin vaccine

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.