oyster plant
— Navneord
– Engelsk
~ long white salsify
oyster plant
— Navneord
– Engelsk
~ Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible root; naturalized throughout United States
oyster plant
— Navneord
– Engelsk
~ edible root of the salsify plant
order Plantaginales
— Navneord
– Engelsk
~ coextensive with the family Plantaginaceae
Ozark Plateau
— Navneord
– Engelsk
~ an area of low mountains in northwestern Arkansas and southeastern Missouri and northeastern Oklahoma
olla podrida
— Navneord
– Engelsk
~ Spanish version of burgoo
orbital point
— Navneord
– Engelsk
~ the craniometric point at the lowest point on the lower edge of the orbit
order Polemoniales
— Navneord
– Engelsk
~ Polemoniaceae; Solanaceae; Boraginaceae; Labiatae; Lentibulariaceae; Pedaliaceae; in some classifications includes the order Scrophulariales
Ovis poli
— Navneord
– Engelsk
~ Asiatic wild sheep with exceptionally large horns; sometimes considered a variety of the argali (or Ovis ammon)
open-door policy
— Navneord
– Engelsk
~ the policy of granting equal trade opportunities to all countries
opinion poll
— Navneord
– Engelsk
~ an inquiry into public opinion conducted by interviewing a random sample of people