button


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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

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]
References in periodicals archive ?
Following a number of paediatric injuries from button battery ingestion, in March 2019, acting on the ACCC's recommendation, the then Assistant Treasurer, the Hon Stuart Robert, issued a Safety Warning Notice on the dangers of button batteries.
From virtual Dash buttons built into numerous appliances to Alexa-enabled Echo smart speakers, a physical dongle for every item you may want to order became superfluous.
We often can change the subject when someone is being insensitive or pushing our buttons. People love to talk about themselves, so ask them about something that interests them.
In return, we'll give your work visibility at events, on our website, and via our social media, and we'll send you a supply of buttons featuring your art.
"We're excited to now offer over 100 Dash Buttons representing top-name brands across dozens of retail categories and thousands of product options.
Probably the most neutral emoji on the set, the Wow button expresses surprise or shock.
People will be able to use the 'reactions' by clicking and holding on the 'like' button, which will still show underneath every post.
Button has naturally endured a number of highs and lows along the way, with his capture of the 2009 world title being the zenith, and earlier this year the loss of his father John - who attended all but one of his son's races prior to this season - being the nadir.
Button is reportedly not concerned that this may be his last year on the grid as returning McLaren boss Ron Dennis shocked everyone by not extending Button's contract beyond this season.
WOMEN in distress can now reach the Delhi Police with just a press of a button on their mobile phone.
Southampton, NY, January 03, 2013 --(PR.com)-- iDecoz [pronounced i-deck-ohz] Home Button Sticker adds fun, function and style to the home button of your iPhone, iPad and iPod touch.