order Raptores
— Navneord
– Engelsk
~ term used in former classifications; erroneously grouped together birds of the orders Falconiformes and Strigiformes
opossum rat
— Navneord
– Engelsk
~ terrestrial marsupials of southern South America that resemble shrews
Ord kangaroo rat
— Navneord
– Engelsk
~ most widely distributed kangaroo rat: plains and mountain areas of central and western United States
occupancy rate
— Navneord
– Engelsk
~ the percentage of all rental units (as in hotels) are occupied or rented at a given time
octane rating
— Navneord
– Engelsk
~ a measure of the antiknock properties of gasoline
Ockham's Razor
— Navneord
– Engelsk
~ the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred
Occam's Razor
— Navneord
– Engelsk
~ the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred
object recognition
— Navneord
– Engelsk
~ the visual perception of familiar objects
orange red
— Navneord
– Engelsk
~ a variable color that is vivid red but sometimes with an orange tinge
oxblood red
— Navneord
– Engelsk
~ a dark brownish-red color
oxidation-reduction
— Navneord
– Engelsk
~ a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction
oxidation-reduction indicator
— Navneord
– Engelsk
~ an indicator that shows a reversible color change between oxidized and reduced forms
oil refinery
— Navneord
– Engelsk
~ a refinery for petroleum
off-axis reflector
— Navneord
– Engelsk
~ a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed
oesophageal reflux
— Navneord
– Engelsk
~ reflux of stomach contents into the esophagus
Osmunda regalis
— Navneord
– Engelsk
~ large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds
organized religion
— Navneord
– Engelsk
~ an institution to express belief in a divine power; "he was raised in the Baptist religion"; "a member of his own faith contradicted him"
Ononis repens
— Navneord
– Engelsk
~ European woody plant having pink flowers and unifoliate leaves and long tough roots; spreads by underground runners
operations research
— Navneord
– Engelsk
~ research designed to determine most efficient way to do something
ohmic resistance
— Navneord
– Engelsk
~ a material's opposition to the flow of electric current; measured in ohms