Definition of 'tuber'
Word forms: plural tubers
countable noun
A tuber is the swollen underground stem of particular types of plants.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers
Word Frequency
tuber in British English
noun
1.
a fleshy underground stem (as in the potato) or root (as in the dahlia) that is an organ of vegetative reproduction and food storage
Collins English Dictionary. Copyright © HarperCollins Publishers
Word origin
C17: from Latin tūber hump
Word Frequency
tuber in American English
noun
1.
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin
L, lit., a swelling, knob, truffle < IE *teubh- < base *tēu-, to swell > thumb, L tumere, to swell
Word Frequency
tuber in American English 1
(ˈtuːbər, ˈtjuː-)
noun
1. Botany
a fleshy, usually oblong or rounded thickening or outgrowth, as the potato, of a subterranean stem or shoot, bearing minute scalelike leaves with buds or eyes in their axils from which new plants may arise
2. Anatomy
a rounded swelling or protuberance; a tuberosity; a tubercle
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019
by Penguin Random House LLC and HarperCollins Publishers Ltd
Derived forms
tuberless adjective
tuberoid
adjective
Word origin
[1660–70; ‹ L tūber bump, swelling. Compare truffle]Word Frequency
tuber in American English 2
(ˈtuːbər, ˈtjuː-)
noun
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019
by Penguin Random House LLC and HarperCollins Publishers Ltd
Word origin
[1920–25; tube + -er1]Examples of 'tuber' in a sentence
tuber
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Word lists with
tuber
terms used in botanyQuick word challenge
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the stalk of a carpel, bearing the stigma
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a circular cluster of leaves growing from the base of a stem
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the transfer of pollen from the anthers to the stigma of the same flower or of another flower on the same plant
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part of the embryo of seed-bearing plants that develops into the main root
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a plant tissue responsible for growth, whose cells divide and differentiate to form the tissues and organs of the plant. Meristems occur within the stem (see cambium) and leaves and at the tips of stems and roots
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In other languages
tuber
British English: tuber
/ˈtjuːbə/ NOUN
A tuber is the swollen underground stem of particular types of plants.
Nearby words of
tuber
Source
Definition of tuber from theCollins English Dictionary
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