Oort cloud, n.
(astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun
<noun.group>
<noun.group>
| Oort cloud |
|
semantic pointers
domain of synset (topic)
hypernym
Opel, n.
German industrialist who was the first in Germany to use an assembly line in manufacturing automobiles (1871-1948)
<noun.person>
<noun.person>
| Opel |
|
| Wilhelm von Opel |
|
semantic pointers
instance hypernym
Open University, n.
a British university that is open to people without formal academic qualifications and where teaching is by correspondence or broadcasting or summer school
<noun.group>
<noun.group>
| Open University |
|
semantic pointers
hypernym
domain of synset (region)
Opera, n.
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instance hypernym
Operation Desert Storm, n.
the United States and its allies defeated Iraq in a ground war that lasted 100 hours (1991)
<noun.act>
<noun.act>
| Operation Desert Storm |
|
semantic pointers
instance hypernym
part holonym
domain of synset (region)
Opheodrys, n.
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hypernym
member holonym
member meronym
Opheodrys aestivus, n.
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hypernym
Opheodrys vernalis, n.
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hypernym
Ophidia, n.
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hypernym
member holonym
member meronym
Ophidiidae, n.
semantic pointers
hypernym
member holonym
member meronym
Ophiodon, n.
semantic pointers
hypernym
member holonym
member meronym
Ophiodon elongatus, n.
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member holonym
hypernym
part meronym
Ophiodontidae, n.
semantic pointers
hypernym
member holonym
member meronym
Ophioglossaceae, n.
a family of succulent ferns of order Ophioglossales; cosmopolitan in distribution
<noun.plant>
<noun.plant>
| Ophioglossaceae |
|
| family Ophioglossaceae |
|
semantic pointers
member holonym
hypernym
member meronym
Ophioglossales, n.
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hypernym
member holonym
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Ophioglossum, n.
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member holonym
hypernym
member meronym
Ophioglossum pendulum, n.
epiphytic fern with straplike usually twisted fronds of tropical Asia and Polynesia and America
<noun.plant>
<noun.plant>
| Ophioglossum pendulum |
|
| ribbon fern |
|
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hypernym
Ophiophagus, n.
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hypernym
member holonym
member meronym
Ophiophagus hannah, n.
large cobra of southeastern Asia and the East Indies; the largest venomous snake; sometimes placed in genus Naja
<noun.animal>
<noun.animal>
| Naja hannah |
|
| Ophiophagus hannah |
|
| hamadryad |
|
| king cobra |
|
Ophisaurus, n.
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Ophiuchus, n.
a large constellation in the equatorial region between Hercules and Scorpius
<noun.object>
<noun.object>
| Ophiuchus |
|
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instance hypernym
Ophiurida, n.
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Ophiuroidea, n.
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Ophrys, n.
a hardy genus of terrestrial orchids of Europe and northern Africa and western Asia
<noun.plant>
<noun.plant>
| Ophrys |
|
| genus Ophrys |
|
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hypernym
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Ophrys apifera, n.
European orchid whose flowers resemble bumble bees in shape and color
<noun.plant>
<noun.plant>
| Ophrys apifera |
|
| bee orchid |
|
semantic pointers
hypernym
Ophrys insectifera, n.
European orchid whose flowers resemble flies
<noun.plant>
<noun.plant>
| Ophrys insectifera |
|
| Ophrys muscifera |
|
| fly orchid |
|
semantic pointers
hypernym
Ophrys muscifera, n.
European orchid whose flowers resemble flies
<noun.plant>
<noun.plant>
| Ophrys insectifera |
|
| Ophrys muscifera |
|
| fly orchid |
|
semantic pointers
hypernym
Ophrys sphegodes, n.
spring-blooming spider orchid having a flower with yellow or green or pink sepals and a broad brown velvety lip
<noun.plant>
<noun.plant>
| Ophrys sphegodes |
|
| early spider orchid |
|
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hypernym
Opiliones, n.
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member holonym
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Opisthobranchia, n.
gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares
<noun.animal>
<noun.animal>
| Opisthobranchia |
|
| subclass Opisthobranchia |
|
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