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Từ điển WordNet v3.1 - WordNet Dictionary
iris



noun
1. plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
Syn:
flag, fleur-de-lis, sword lily
Hypernyms:
iridaceous plant
Hyponyms:
bearded iris, beardless iris, bulbous iris, dwarf iris, Iris cristata,
stinking iris, gladdon, gladdon iris, stinking gladwyn, roast beef plant, Iris foetidissima,
Persian iris, Iris persica, yellow iris, yellow flag, yellow water flag, Iris pseudacorus,
vernal iris, Iris verna, blue flag, Iris versicolor, southern blue flag, Iris virginica,
English iris, Iris xiphioides
Member Holonyms:
genus Iris
2. muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye;
it forms the colored portion of the eye
Hypernyms:
membrane, tissue layer
Part Holonyms:
eye, oculus, optic
Part Meronyms:
pupil
3. diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
Syn:
iris diaphragm
Hypernyms:
diaphragm, stop

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