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blank

(blank),
A solution consisting of all of the analytic components except the compound to be measured; this is used to establish a baseline of measurement intensity with which the compound of interest is compared.
[M.E. white, fr. O.Fr. blanc, fr. Germanic]

blank

Drug slang
noun A regional street term for any low quality substance of abuse.
 
Lab medicine
noun A negative control specimen used in immunoassays and quality assurance in many lab tests. Blanks are processed in tandem with the test serum or tissue, differing in that a primary antibody is not added in the first step; blanks assure a true negative result, allowing comparison of a possibly positive result with a known negative.
 
Vox populi-UK
verb To deliberately ignore someone, as in “Mark blanked Carole.”

blank

(blangk)
A solution consisting of all the analytic components except the compound to be measured; used to establish a baseline of measurement intensity with which the compound of interest is compared.
[M.E. white, fr. O.Fr. blanc, fr. Germanic]

Blank

If an individual has inherited same HLA antigen from both parents, the HLA typing is designated by the shared HLA antigen followed by a "blank"(—).
References in periodicals archive ?
But their screens will go blank when live football is on.
Then the screens go blank as a ton of explosives blasts the area leaving a crater 30ft deep and 60ft wide.
FIRMS who go blank when asked by employees "how much am I worth" should soon be able to get an answer.
I have never heard such nonsense as the talk this week that SIS screens will go blank - well, only if the National Grid fails.
"I knew two or three of the answers as soon as he said them but once you have gone through nine or 10 questions and you don't know the answers your mind does go blank."