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
These examples have been automatically selected and may contain sensitive content.
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Word lists with
tuber
terms used in botanyQuick word challenge
Quiz Review
Question: 1
-
Score: 0 / 5
Which term used in botany am I?
having male and female flowers in the same inflorescence, as cuckoo pint
Which term used in botany am I?
the terminal part of a stamen consisting usually of two lobes each containing two sacs in which the pollen matures
Which term used in botany am I?
any organ, esp in fungi, in which asexual spores are produced
Which term used in botany am I?
a response of plant parts that is independent of the direction of the external stimulus, such as the opening of buds caused by an alteration in light intensity
Which term used in botany am I?
(in plants) the synthesis of organic compounds from carbon dioxide and water (with the release of oxygen) using light energy absorbed by chlorophyll
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Trends of
tuber
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In other languages
tuber
Nearby words of
tuber
Source
Definition of tuber from the
Collins English Dictionary
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