• WordNet 3.6
    • n dumbbell an exercising weight; two spheres connected by a short bar that serves as a handle
    • n dumbbell an ignorant or foolish person
    • ***
Webster's Revised Unabridged Dictionary
    • n dumbbell An exercising weight, consisting of two spheres or spheroids, connected by a short bar for a handle; used (often in pairs) for gymnastic exercise.
    • dumbbell an ignorant or foolish person.
    • ***
Century Dictionary and Cyclopedia
    • n dumbbell One of a pair of weights, each consisting of two balls joined by a bar, intended to be swung in the hands for the sake of muscular exercise, made of iron, or for very light exercise of hard wood.
    • n dumbbell In bacterial., a diplococcus: so called from its shape.
    • ***


  • Marcus Valerius Martial
    “Why do strong arms fatigue themselves with frivolous dumbbells? To dig a vineyard is worthier exercise for men.”


In literature:

But a woman is at once given away: she look like a dumbbell run over by an express train.
"In Defense of Women" by H. L. Mencken
Some one had dropped her dumbbells.
"The Garden Party" by Katherine Mansfield
Of unusual shape, both round and flat, so a cross-section looks like a dumbbell with angular ends.
"The Complete Book of Cheese" by Robert Carlton Brown
It's a wonderful poem, and you're dumbbells if you can't see it.
"The Plastic Age" by Percy Marks
After the dumbbell comes exercise with the round, or bar bell.
"The Handy Cyclopedia of Things Worth Knowing" by Joseph Triemens
Looks like they'll take out the left half a that dumbbell.
"Greylorn" by John Keith Laumer
For want of dumbbells, the wheelwright turned out four pieces of ash resembling sugar-loaves with necks of bottles at the ends.
"Bouvard and Pécuchet" by Gustave Flaubert
Their wielding of the heavy dumbbells elicited hearty applause.
"The American Missionary -- Volume 48, No. 7, July, 1894" by Various
Rick picked up the dumbbell-shaped object.
"The Wailing Octopus" by Harold Leland Goodwin
Exercise the chest, as I have said before, with weights and dumbbells.
"Harper's Round Table, July 30, 1895" by Various

In poetry:

John MacDonald found a corpse, put it under the sofa,
Waited till it came to life and hit it with a poker,
Sold its eyes for souvenirs, sold its blood for whiskey,
Kept its bones for dumbbells to use when he was fifty.
"Bagpipe Music" by Louis MacNeice

In news:

Technique is key to working out with dumbbells .
Pause when your dumbbells are at shoulder level and make sure your elbows do not "lock out".
Mom accused of killing 2 sons with dumbbell .
"Sometimes, I think I scare people," she says, straddling a bench and effortlessly curling a pair of 22 1/2-pound dumbbells.
A woman in Tokyo practices physical activity with wooden dumbbells.
Lifting dumbbells will tone your muscles.
Grab a pair of dumbbells and lie on your back on a flat bench, holding the dumbbells at the sides of your chest.
But if you're looking for a new way to do push-ups, try performing them with a set of dumbbells in your hands.
This class continuously challenges participants with exercises that use either body weight only or dumbbells.
Transverse Plane Lunge with Low Dumbbell Reach.
The new playbook Penn State tight end Garry Gilliam studied this summer could have doubled as a dumbbell.
Drop the dumbbells and define your whole body with this circuit.
The workout incorporates giant foam noodles and aqua dumbbells.
You will need one 5-10-pound dumbbell for this series of exercises.
Hold a dumbbell in each hand, with your arms down by your side.

In science:

The dipole-susceptibility spectra for a dumbbell with large ζ moving in a HSS obey the scaling proposed by Dixon et al. .
Structural relaxation in a system of dumbbell molecules
The precursor phenomena of the approach of ζ towards ζc have been discussed before for the motion of a single dumbbell in a HSS .
Structural relaxation in a system of dumbbell molecules
Molecular-dynamics simulations for a liquid of symmetric Lennard-Jones dumbbells with elongation ζ = 0.33 lead to the suggestion that an inclusion of the rotational degrees of freedom is decisive for an understanding of the exponent parameter.
Structural relaxation in a system of dumbbell molecules
Detailed simulation studies of the glassy dynamics of a liquid of slightly asymmetric Lennard-Jones dumbbells for ζ = 0.5 have been reported by K¨ammerer et al. [20, 21, 22].
Structural relaxation in a system of dumbbell molecules
This low value is due to the transfer of electrons from s- to d-band on the interstitial atom or dumbbell, similar to the high pressure behaviour.
Two-band second moment model and an interatomic potential for caesium