| arteriole | (noun) one of the small thin-walled arteries that end in capillaries | Synonyms: arteriola, capillary artery |
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| bronchiole | (noun) any of the smallest bronchial ducts; ending in alveoli | - |
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| capriole | (noun) (dressage) a vertical jump of a trained horse with a kick of the hind legs at the top of the jump | - |
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| (noun) a playful leap or hop | Synonyms: caper |
| centriole | (noun) one of a pair of small cylindrical cell organelles near the nucleus in animal cells; composed of nine triplet microtubules and form the asters during mitosis | - |
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| chiocciole | (noun) a type of pasta that is elbow-shaped. | - |
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| gloriole | (noun) an indication of radiant light drawn around the head of a saint | Synonyms: aura, aureole, glory, halo, nimbus |
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| oriole | (noun) American songbird; male is black and orange or yellow | Synonyms: American oriole, New World oriole |
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| (noun) mostly tropical songbird; the male is usually bright orange and black | Synonyms: Old World oriole |
| ostiole | (noun) a small pore especially one in the reproductive bodies of certain algae and fungi through which spores pass | - |
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| petiole | (noun) the slender stem that supports the blade of a leaf | Synonyms: leafstalk |
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