tuberous

American  

[too-ber-uhs, tyoo-] / ˈtu bər əs, ˈtyu- /

adjective

1. characterized by the presence of rounded or wartlike prominences or tubers.

2. of the nature of such a prominence.

3. Botany. bearing tubers.

4. having the nature of or resembling a tuber.

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tuberous British  

/ ˈtjuːbərəs, ˈtjuːbəˌrəʊs /

adjective

1. (of plants or their parts) forming, bearing, or resembling a tuber or tubers

   a tuberous root

2. anatomy of, relating to, or having warty protuberances or tubers

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Other Word Forms

• semituberous adjective

Etymology

Origin of tuberous

First recorded in 1640–50, tuberous is from the Latin word tūberōsus knobby. See tuber ¹, -ous

Example Sentences

The bright, purple tuberous root hailing from the Philippines has enjoyed a surge in popularity in recent years.

From Salon • Feb. 7, 2024

My favorite thing about beets is that one plant provides two sides dishes – the tuberous root and the tasty greens.

From Washington Times • Aug. 10, 2023

That was Corydalis solida or C. flexuosa, a spring ephemeral with a tuberous root system.

From Seattle Times • Mar. 4, 2023

The agency gave more funding to tuberous sclerosis, a rare genetic disorder that affects fewer than forty thousand Americans, and to osteogenesis imperfecta, a brittle-bone disease, which affects some twenty thousand.

From The New Yorker • Sep. 3, 2019

It takes its name from the large tuberous stem, which grows very slowly but often reaches a considerable size, e.g. more than 3 yds. in circumference with a height of nearly 3 ft. above ground.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various