OPV

O1P3V4

A form of optionally piloted vehicle — An aircraft that may be manned or unmanned, able to function in either mode without modification.

Similar
Sabin vaccineoral poliovirus vaccinetrivalent live oral poliomyelitis vaccineTOPV
UncommonScrabble 8
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Meanings

nounOPV (plural OPVs)

plural OPVs

  1. USabbreviationinitialismaeronauticsInitialism of optionally piloted vehicle.
  2. abbreviationinitialismchemistryInitialism of organic photovoltaic.
  3. abbreviationinitialismmedicineInitialism of oral poliovirus vaccine.

Synonyms & antonyms

nounan oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis

Similar
Sabin vaccineoral poliovirus vaccinetrivalent live oral poliomyelitis vaccineTOPV
Broader
poliovirus vaccine
Also see
dronesabin vaccine

Synonym sets from Open English WordNet, CC BY 4.0.

Rhymes & wordplay

Anagrams

pov
Cite this entry
APA

OPV. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/OPV

MLA

“OPV.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/OPV. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “OPV,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/OPV.

Source: OPV on Wiktionary, CC BY-SA 4.0.