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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 ?
One man is wearing a button down buttoned too low showing "Too Much Wolf," one male in a shirt buttoned too high showing "Too Little Wolf," and one man who gets it just right in a johnnie-O button down shirt featuring the Tweener Button.
Buttons are offered at the early-bird price now through May 7 online at selectaseat.
Button Messengers contain smart features that make possible, for instance, to send the user's location on a map.
8220;iDecoz Reusable Home Button Stickers are an accessory you can change and swap just as easy as you change your cases.
If a user clicks on the Like button it does not show the intent to purchase a thing.
Share your thoughts -- or embarassing stories of buttons coming off in public
The fastener - displaying the number 54 - would fill the gap in the section of his collection devoted to buttons numbered by regiment.
A lot of other people also love buttons, although button collecting seems to be a hobby with a declining membership.
I had a tin of buttons hanging around that was my mums and I had to do something, so that's how it started.
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".