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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

a solution containing all of the reagents needed for analysis of a substance except the substance tested.

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 ?
Wood, of Park Cottages, Hawkhurst, Kent, stared blankly ahead as he was found guilty of manslaughter at Maidstone Crown Court but acquitted of two counts of inflicting grievous bodily harm.
The fifth-grade students I was teaching looked at me blankly and didn't know who he was, not one of them.
And I looked at her blankly, wondering what I had done.
He just stared blankly at her and she was overcome with embarrassment.
The head of a nurse, an Arab woman in Niqab, and a cicatrized, monocled Daddy Warbucks-like man stare at the viewer blankly, not even asking, in the manner of De Niro's Travis Bickle, You lookin' at me?
The computer screen stares blankly back at me, a blur of white and black characters.
Wearing summery pajamas, and made up as if they'd raided mommy's cosmetics, the dancers come across like a gang of blankly naughty overgrown children whose decadent behavior is reducing them to wobble-headed automatons.
And all we call do is stare at them blankly and say, 'I don't know.
She also said nothing, staring blankly at us as I took more pictures.
They pose here, each with a little venomous Snake in one hand--almost a parody Of a Laocoon; though here an altar --Or rather, pulpit--stands between the two; Whose faces seem orphaned, anonymous, Drained of some self inside, and blankly ready --Sons of the Word, they know what they must do-- To test God's love (or: try Ananke's halter).
But a 3-month-old who trains in the bedroom and gets tested in the kitchen, or who goes from crib training to testing in a lower, portable crib, stares blankly at the previously encountered mobile.
The Eskimo Nebula stares blankly, appropriately attired for the coldness of space.