blot

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a blot on the escutcheon

A stain or mark against one's reputation or that of one's family. An escutcheon was a heraldic shield that bore a family's coat of arms, and thus serves as a metaphor for one's honor. I was at the top of my class in college, but that narcotics charge will be a blot on the escutcheon for years to come.
See also: blot, escutcheon, on

a blot on (one's) escutcheon

A stain or mark against one's reputation or that of one's family. An escutcheon was a heraldic shield that bore a family's coat of arms, and thus serves as a metaphor for one's honor. I was at the top of my class in college, but that narcotics charge will be a blot on my escutcheon for years to come.
See also: blot, escutcheon, on

blot (one's) copy book

To tarnish, damage, or ruin one's reputation by behaving badly or committing some mistake or social transgression. Refers to a child's copy book, the blotting (staining with ink) of which ruins one's work. Primarily heard in UK. The local councilor blotted his copy book when it came to light that he had accepted bribes to allow unregulated development projects to go ahead. I really blotted my copy book when I spilled my drink on the visiting dignitary last night.
See also: blot, book, copy

a blot on the landscape

Something that is considered unattractive that covers up or otherwise takes away from the value of something attractive. Although many people say that they want clean energy, they argue that miles of turbines on wind farms are a blot on the landscape.
See also: blot, landscape, on

blot on the landscape

Fig. a sight that spoils the look of a place. That monstrosity you call a house is a blot on the landscape. You should have hired a real architect!
See also: blot, landscape, on

blot someone or something out

Fig. to forget someone or something by covering up memories or by trying to forget. I try to blot those bad thoughts out. I tried to blot out those unhappy days.
See also: blot, out

blot someone out

Sl. to kill someone. (Originally underworld slang.) Sorry, chum, we got orders to blot you out. The gang blotted out the only living witness before the trial.
See also: blot, out

blot something out

to make something invisible by covering it. (See also blot someone or something out.) Don't blot the name out on the application form. Who blotted out the name on this form?
See also: blot, out

blot out something

also blot something out
to make something stop upsetting you I twist the pillow over my head to blot out the horrible sounds. She closed her eyes, trying to blot out the memory of the day's events.
Related vocabulary: block out something
Etymology: based on the literal meaning of blot (to cover something with drops of ink)
See also: blot, out

a blot on the landscape

something which looks unpleasant and spoils a pleasant view That new chemical factory is a real blot on the landscape.
See also: blot, landscape, on

blot your copybook

  (British & Australian)
to do something which spoils someone's opinion of you She blotted her copybook by arriving late to a meeting.
See also: blot

blot out

Obliterate, wipe out of existence or memory, as in At least one Indian nation was blotted out as the pioneers moved west, or The trauma of the accident blotted out all her memory of recent events. This idiom, first recorded in 1516, uses the verb to blot in the sense of making something illegible by spotting or staining it with ink. The New Testament has it (Acts 3:19): "Repent ye ... that your sins may be blotted out."
See also: blot, out

blot someone out

tv. to kill someone. (Underworld.) They blotted out the witness before the trial.
See also: blot, out

a blot on (one's) escutcheon

Dishonor to one's reputation.
See also: blot, escutcheon, on

a blot on the escutcheon

bringing dishonor or shame to oneself and one's family. “Escutcheon” is the heraldic term for the shield on which a family's coat of arms is painted. One with a blot, in the sense of blemish, would look as though there were something wrong, which is what The phrase is meant to convey. When Uncle Fred was hauled off to jail for embezzlement, he not only disgraced himself, he brought shame to his wife, his children, and any living parents. His crime was thus a metaphorical blot on the family escutcheon.
See also: blot, escutcheon, on
References in periodicals archive ?
For all protocols, the blotted uterine weights appeared to show less inter-laboratory and intragroup variability than uterine wet weight.
Nevertheless, the wet weight and blotted weights were generally consistent in achieving statistical significance.
In the first case involving NP in protocol B, the mean control blotted uterine weight in laboratory 6 was 58.
First, in this case, the control blotted uterine weight mean in laboratory 20 was 54.
Blotted weights showed statistical significance at slightly lower EE concentrations than did the wet uterine weights.
In protocol A, 8 of the 16 laboratories produced blotted uterine weight responses that were statistically consistent at all doses evaluated.
Seven laboratories achieved statistically significant increases at identical doses for the wet uterine weight, and six achieved statistically significant increases in blotted uterine weight.
For the 12 laboratories carrying out protocol B, the range of increased blotted uterine weights over controls was 326-588% for the 1.
These analyses revealed that a) within-group variability in response was consistently less for blotted weights than for wet weights; b) protocol A tended to show more within-group variability in both the wet and blotted measures of uterine weights, which was not unexpected given the oral route of administration; and c) the adult OVX subcutaneous protocols (C and C') have slightly lower CVs than the immature animal subcutaneous protocol (B).
Yet despite these differences in body weights, generally similar relative increases in both wet and blotted uterine weight were observed at the various laboratories for all of the protocols.
In the ZM antagonism dose groups, most laboratories found blotted uterine weight decreases in the ZM/EE combination groups that were statistically consistent, with the magnitude of the reduction similar across all laboratories.
Both the wet and blotted uterine weight end points were sensitive in all protocols.