Occam's Razor
— Navneord
– Engelsk
~ the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred
out of reach
— Tillægsord
– Engelsk
~ inaccessibly located or situated; "an unapproachable chalet high in the mountains"; "an unreachable canyon"; "the unreachable stars"
oven-ready
— Tillægsord
– Engelsk
~ prepared before sale and ready to be cooked
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
orange-red
— Tillægsord
– Engelsk
~ of red tinged with orange
orangish-red
— Tillægsord
– Engelsk
~ of red tinged with orange
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
over-refine
— Udsagnsord
– Engelsk
~ refine too much or with excess of subtlety; "He is overrefining this matter"
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
on a regular basis
— Biord
– Engelsk
~ in a regular manner; "letters arrived regularly from his children"
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
on request
— Biord
– Engelsk
~ on the occasion of a request; "advice was free for the asking"
operations research
— Navneord
– Engelsk
~ research designed to determine most efficient way to do something