| OR | an oral poliovirus vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis |
|---|---|
| OR | delivering an address to a public audience |
| OR | United States evangelist (born 1918) |
| OR | oral-genital stimulation |
| OR | alimentary tract smear of material obtained from the mouth |
| OR | (psychoanalysis) the first sexual and social stage of an infant's development |
| OR | by spoken rather than written means |
| OR | (of drugs) through the mouth rather than through injection |
| OR | a port city in northwestern Algeria and the country's 2nd largest city |
| OR | large long-armed ape of Borneo and Sumatra having arboreal habits |
| OR | any of a range of colors between red and yellow |
| OR | round yellow to orange fruit of any of several citrus trees |