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but·ton

(bŭt'ŏn),
A knob-shaped structure, lesion, or device.
[M.E., fr. O.Fr. bouton, fr. bouter, to thrust, fr. Germanic]

button

/but·ton/ (but´'n)
1. a knoblike elevation or structure.
2. a spool- or disk-shaped device used in surgery for construction of intestinal anastomosis.

Jaboulay button  a device used for lateral intestinal anastomosis.
mescal buttons  transverse slices of the flowering heads of a Mexican cactus, Lophophora williamsii, whose major active principle is mescaline.
Murphy's button  a metallic device used for connecting the ends of a divided intestine.
skin button  a connector or stretch of tubing covered with a velour fabric, designed to encourage tissue ingrowth where it passes through the skin.

button

[but′ən]
Etymology: OFr, boton
1 a knoblike elevation or structure.
2 a small appliance shaped like a spool or disk, used in surgery for construction of an intestinal anastomosis.

button

Drug slang
A regional term for mescaline.

Radiation safety
A hockey puck-like mass of plutonium nitrate which is a starting material for bomb-grade plutonium.
 
Transfusion medicine
An aggregate of red blood cells (RBCs) adherent to the bottom of a test tube after centrifugation; if with gentle shaking of the test tube the cells remain adherent, agglutination is assumed to have occurred, implying presence of both an antigen (on the RBCs) and a specific antibody (immunoglobulins) in the serum button.
 
Vox populi
See Panic button.

but·ton

(bŭt'ŏn)
A structure, lesion, or deviceof knob shape.
[M.E., fr. O.Fr. bouton, fr.bouter, to thrust, fr. Germanic]

button 

The preformed piece of glass which will become the segment of a fused bifocal or multifocal lens. It is ground and polished on one side to the appropriate curvature for fusing to the main lens (British Standard). See bifocal lens.

but·ton

(bŭt'ŏn)
A structure, lesion, or device of knob shape.
[M.E., fr. O.Fr. bouton, fr. bouter, to thrust, fr. Germanic]

button,

n the excess metal remaining from the casting and sprue; located at the end of the sprue, opposite the casting.
button, implant,

button

1. a knoblike elevation or structure.
2. an appliance used in surgical anastomosis of the intestine (Murphy's button).

button tumor
button ulcer
craterous mucosal defects, the edges of which are raised above the surrounding mucosa. The original necrotic center of the lesion is shed leaving a deep ulcer. They are characteristic lesions in the cecum and colon of pigs with subacute salmonellosis. The lesions are usually few in number, small and deep.
References in periodicals archive ?
The Sercomm LTE IoT button is based on Sequans Monarch LTE Cat M1/NB1 Platform, the worlds most highly optimized LTE-M/NB-IoT chip.
Are you in search of something creative and fashionable while making a beautiful garment for your beloved or crafting a handbag or while sewing button crafts for the forthcoming festive season of Christmas and New Year?
Taryn Mitchell, global vice president of digital sales at RB, added: "Dash Button makes shopping easy and fun.
And he also has a section devoted to local Yorkshire regiments including a silver button from The Craven Legion from the early 19th century.
For example, National Button Society rules divide buttons into four categories: large is 1 1/4 inch or more; medium, from 1/4 inch to 1 1/4 inch; small, 1/8 inch to 1/4 inch; and "diminutive," less than 1/8 inch.
Lots of people who see the jewellery say they used to play with their grandma's buttons.
Buttons were put to more serious use during World War II.
If you wish, add additional information that can be printed on or next to the buttons to guide you on when to use the buttons.
The buttons will join millions of others in 6 million +, an exhibition to remember all those murdered during the Holocaust.
It had buttons for men to order loved ones to bring food or beer, "remove clothes" or "stop nagging".
Anne Blight, known to fellow enthusiasts as Anne Buttons, has probably the biggest collection in Britain - more than 400,000 buttons worth an estimated pounds 1million.