one-upmanship
— Navneord
– Engelsk
~ the practice of keeping one jump ahead of a friend or competitor
obtrude upon
— Udsagnsord
– Engelsk
~ to intrude upon, infringe, encroach on, violate; "This new colleague invades my territory"; "The neighbors intrude on your privacy"
order Uredinales
— Navneord
– Engelsk
~ rust fungi: parasitic fungi causing rust in plants; sometimes placed in
order Urodella
— Navneord
– Engelsk
~ salamanders; newts; congo snakes
order Urticales
— Navneord
– Engelsk
~ an order of dicotyledonous plants including Moraceae and Urticaceae and Ulmaceae
order Ustilaginales
— Navneord
– Engelsk
~ parasitic fungi causing smuts; sometimes placed in class Tiliomycetes
oral poliovirus vaccine
— Navneord
– Engelsk
~ an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis
Oswald Veblen
— Navneord
– Engelsk
~ United States mathematician (1880-1960)
ophthalmic vein
— Navneord
– Engelsk
~ either of two veins that serve the eye; empties into the cavernous sinus
ovarian vein
— Navneord
– Engelsk
~ one of the veins that drain the ovaries; the right opens into the inferior vena cava; the left opens into the left renal vein
oblique vein of the left atrium
— Navneord
– Engelsk
~ a tributary of the coronary sinus; on the posterior wall of the left atrium
occipital vein
— Navneord
– Engelsk
~ a vein that drains the occipital region
obturator vein
— Navneord
– Engelsk
~ a vein formed by the union of tributaries that drain the hip joints and thigh muscles; empties into the internal iliac vein
oesophageal veins
— Navneord
– Engelsk
~ small veins from the esophagus emptying into the brachiocephalic vein or the azygos veins
object of the verb
— Navneord
– Engelsk
~ the object that receives the direct action of the verb
Opheodrys vernalis
— Navneord
– Engelsk
~ of western and central United States
Onobrychis viciaefolia
— Navneord
– Engelsk
~ Eurasian perennial herb having pale pink flowers and curved pods; naturalized in Britain and North America grasslands on calcareous soils; important forage crop and source of honey in Britain
Onobrychis viciifolia
— Navneord
– Engelsk
~ Eurasian perennial herb having pale pink flowers and curved pods; naturalized in Britain and North America grasslands on calcareous soils; important forage crop and source of honey in Britain