Definition of 'tuber'
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]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
Examples of 'tuber' in a sentence
tuber
These examples have been automatically selected and may contain sensitive content.
Read more…
Word lists with
tuber
terms used in botanyQuick word challenge
Quiz Review
Question: 1
-
Score: 0 / 5
Which term used in botany am I?
the soft chlorophyll-containing tissue of a leaf between the upper and lower layers of epidermis: involved in photosynthesis
Which term used in botany am I?
a germ cell, seed, dormant bacterium, or similar body
Which term used in botany am I?
the carpels of a flowering plant collectively
Which term used in botany am I?
the green pigment of plants and photosynthetic algae and bacteria that traps the energy of sunlight for photosynthesis and exists in several forms, the most abundant being chlorophyll a (C55H72O5N4Mg): used as a colouring agent in medicines or food (E140)
Which term used in botany am I?
a small opening in the integuments of a plant ovule through which the male gametes pass
Your score:
Trends of
tuber
View usage over:
In other languages
tuber
Nearby words of
tuber
Source
Definition of tuber from the
Collins English Dictionary
Quick word challenge
Quiz Review
Question: 1
-
Score: 0 / 5
tail or tale?
Which version is correct?
farther or father?
Which version is correct?
ring or wring?
Drag the correct answer into the box.
ring
wring
You can me anytime.
ridden or rode?
Which version is correct?
dear or deer?
Drag the correct answer into the box.
dear
deer
Mrs Cavendish is a friend of mine.
Your score:
Word of the day
ratatouille
Ratatouille is a cooked dish made with vegetables such as tomatoes, onions , aubergines, courgettes, and peppers.
Latest Word Submissions
From glamping to drivecations: the search for the best staycation
Riddle: When is a staycation not a staycation?
To me it seems like centuries ago that we Brits first cottoned on to that handy word staycation. I’d place it at about 15 years ago – which at today’s speed of change feels more like 150.
Read more
Study guides for every stage of your learning journey
Whether you're in search of a crossword puzzle, a detailed guide to tying knots, or tips on writing the perfect college essay, Harper Reference has you covered for all your study needs.
Read more
Anticipation and rain check are among the most frequently looked-up words in July
Perhaps the most striking thing about the list of words that people have looked up in the Collins Dictionary in July is that it no longer contains a lot of words that were being looked up earlier in the year.
Read more
Collins English Dictionary Apps
Download our English Dictionary apps - available for both iOS and Android.
Read more
Collins Dictionaries for Schools
Our new online dictionaries for schools provide a safe and appropriate environment for children. And best of all it's ad free, so sign up now and start using at home or in the classroom.
Read more
Word lists
We have almost 200 lists of words from topics as varied as types of butterflies, jackets, currencies, vegetables and knots!
Amaze your friends with your new-found knowledge!
Read more
Join the Collins community
All the latest wordy news, linguistic insights, offers and competitions every month.
Read more
Updating our Usage
There are many diverse influences on the way that English is used across the world today. We look at some of the ways in which the language is changing. Read our series of blogs to find out more.
Read more
Area 51, Starship, and Harvest Moon: September’s Words in the News
I’m sure a lot of people would agree that we live in strange times. But do they have to be so strange that Area 51 is making headlines? And what’s this about fish the look like aliens. September’s Words in the News explain all.
Read more
Quick word challenge
Quiz Review
Question: 1
-
Score: 0 / 5
long-term goal or winning goal?
Drag the correct answer into the box.
long-term goal
winning goal
This needs to be approached in a realistic manner.
consume energy or muster the energy?
Which version is correct?
complex plot or vegetable plot?
Which version is correct?
murder scene or music scene?
Drag the correct answer into the box.
murder scene
music scene
Mobile signals enabled police to place them at the .
environmental damage or nerve damage?
Which version is correct?
Your score: