order Pterosauria
— Navneord
– Engelsk
~ extinct flying reptiles: pterosaurs
os pubis
— Navneord
– Engelsk
~ one of the three sections of the hipbone; together these two bones form the front of the pelvis
order Pulmonata
— Navneord
– Engelsk
~ large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails
oil pump
— Navneord
– Engelsk
~ a pump that keeps a supply of oil on moving parts
Ornithogalum pyrenaicum
— Navneord
– Engelsk
~ Old World star of Bethlehem having edible young shoots
one-flowered pyrola
— Navneord
– Engelsk
~ delicate evergreen dwarf herb of north temperate regions having a solitary white terminal flower; sometimes placed in genus Pyrola
optical pyrometer
— Navneord
– Engelsk
~ a pyrometer that uses the color of the light emitted by a hot object
one-quadrillionth
— Navneord
– Engelsk
~ one part in a quadrillion equal parts
one-quarter
— Navneord
– Engelsk
~ one of four equal parts; "a quarter of a pound"
one-quintillionth
— Navneord
– Engelsk
~ one part in a quintillion equal parts
obstacle race
— Navneord
– Engelsk
~ a race in which competitors must negotiate obstacles
optic radiation
— Navneord
– Engelsk
~ a nerve pathway from the lateral geniculate body to the visual cortex
overhead railway
— Navneord
– Engelsk
~ a railway that is powered by electricity and that runs on a track that is raised above the street level
order Rajiformes
— Navneord
– Engelsk
~ fish with dorsoventrally flattened bodies; includes: rays; skates; guitarfishes; sawfishes
order Ranales
— Navneord
– Engelsk
~ herbs, shrubs and trees: includes families Ranunculaceae; Annonaceae; Berberidaceae; Magnoliaceae; Menispermaceae; Myristicaceae; Nymphaeaceae; Lardizabalaceae; Lauraceae; Calycanthaceae; Ceratophyllaceae; Cercidiphyllaceae
omnidirectional range
— Navneord
– Engelsk
~ a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing
omnidirectional radio range
— Navneord
– Engelsk
~ a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing
order Ranunculales
— Navneord
– Engelsk
~ herbs, shrubs and trees: includes families Ranunculaceae; Annonaceae; Berberidaceae; Magnoliaceae; Menispermaceae; Myristicaceae; Nymphaeaceae; Lardizabalaceae; Lauraceae; Calycanthaceae; Ceratophyllaceae; Cercidiphyllaceae