Definition of tuberous in English:

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Pronunciation: /ˈt(y)o͞obərəs/
(also tuberose /-bəˌrōs/)


1 Botany Of the nature of a tuber. See tuberous root.
Example sentences
  • Basal leaves and flowers initiate from a tuberous rhizome and three green cauline leaves arranged in a whorl form an involucre around the developing flower.
  • The Arrow label covers crops such as soybeans, cotton, alfalfa, leafy tuberous and fruiting vegetables, sugar beets, peanuts, sunflowers and potatoes.
  • It grows from a creeping tuberous rhizome, a root-like horizontal stem growing just below the surface of the soil.
1.1(Of a plant) having tubers or a tuberous root.
Example sentences
  • Planting bulbous and tuberous plants under evergreen trees is not advisable.
  • This tuberous perennial plant is native to southern Asia.
  • Being originally a mountain plant, the tuberous begonia grows superbly in cool mountain districts like Ballarat and Erica.
2 Medicine Characterized by or affected by rounded swellings: tuberous sclerosis
More example sentences
  • At some point, seizures affect 80 percent of patients with tuberous sclerosis.
  • Two patients were known to have tuberous sclerosis.
  • Cardiac rhabdomyomas occur in 50 percent of patients with tuberous sclerosis.



Pronunciation: /ˌt(y)o͞obəˈräsədē/
Example sentences
  • The muscle inserts onto the dorsal aspect of the tuberosity of the fifth metatarsal.
  • Radiographs are usually negative; rarely, they show avulsion of the apophysis at the tibial tuberosity.
  • Fractures of the greater tuberosity may be best visualized with an axillary or a Y view.


Mid 17th century: from French tubéreux or Latin tuberosus, from tuber (see tuber).

For editors and proofreaders

Syllabification: tu·ber·ous

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