What's the difference between against and background?

Against


Definition:

  • (prep.) Abreast; opposite to; facing; towards; as, against the mouth of a river; -- in this sense often preceded by over.
  • (prep.) From an opposite direction so as to strike or come in contact with; in contact with; upon; as, hail beats against the roof.
  • (prep.) In opposition to, whether the opposition is of sentiment or of action; on the other side; counter to; in contrariety to; hence, adverse to; as, against reason; against law; to run a race against time.
  • (prep.) By of before the time that; in preparation for; so as to be ready for the time when.

Example Sentences:

Background


Definition:

  • (n.) Ground in the rear or behind, or in the distance, as opposed to the foreground, or the ground in front.
  • (n.) The space which is behind and subordinate to a portrait or group of figures.
  • (n.) Anything behind, serving as a foil; as, the statue had a background of red hangings.
  • (n.) A place in obscurity or retirement, or out of sight.

Example Sentences:

  • (1) The prevalence of 24.4% among Mexican American men was similar to that among men from other ethnic backgrounds.
  • (2) But the sports minister has been clear that too many sports bodies are currently not delivering in bringing new people from all backgrounds to their sport.
  • (3) Fluttering in the background was a black flag adorned with white script, the “black flag of jihad”.
  • (4) They retained the ability to make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.3.
  • (5) If black people could only sort out these self-inflicted problems themselves, everything would be OK. After all, doesn't every business say it welcomes job applicants from all backgrounds?
  • (6) White lesions (NRL) against a gray background on cut section of brain increase in size with increasing time of arrest.
  • (7) These results might help to explain why only a minority of individuals with a susceptible HLA type develop uveitis, as well as the variable incidence of disease in HLA-identical populations of different ethnic backgrounds.
  • (8) It will act as a further disincentive for women to seek help.” When Background Briefing visited Catherine Haven in February, the refuge looked deserted, and most of its rooms were empty, despite the town having one of the highest domestic violence rates in the state.
  • (9) The aim of the study was to describe and evaluate background factors, with special regard to psychosocial characteristics that might possibly affect the outcome of rhinoplastic surgery.
  • (10) In the analysis of background fluorescence, the principal components were, as for the two-step technique, autofluorescence and propidium spectral overlap.
  • (11) Subjects' musical backgrounds were evaluated with a survey questionnaire.
  • (12) After 10-20 hr of culture, both membrane and cytoplasmic PKC activity had declined to background levels.
  • (13) It’s gender, age, disability, sexual orientation, social background, and – most important of all, as far as I’m concerned – diversity of thought.” Diversity needs action beyond the Oscars | Letters Read more He may have provided the Richard Littlejohn wishlist from hell – you know the one, about the one-legged black lesbian in a hijab favoured by the politically correct – but as a Hollywood A-lister, the joke’s no longer on him.
  • (14) The dual-probe system incorporates a central collimated probe for monitoring activity in the LV surrounded by an annular detector collimated in such a manner as to provide simultaneous real-time monitoring of the LV background activity.
  • (15) The relationship between certain prenatal and background variables and maternal confidence also was assessed.
  • (16) The technique is based on a multiple regression analysis of the renal curves and separate heart and soft tissue curves which together represent background activity.
  • (17) The electron spectroscopic diffraction (ESD) mode of operation of an energy-filtering electron microscope offers the possibility of being able to avoid the background from inelastic scattering in selected-area electron diffraction patterns.
  • (18) The absence of ACh therefore appears to reduce the cortical response to stimulation, while background activity values do not change.
  • (19) President Essebsi has promiised to govern for all Tunisians and said he had the technocratic background to manage security and economic challenges.
  • (20) An epidemiologic background appropriate to "serum" hepatitis, either transfusion (one bout) or illicit self-injection (46 bouts), was associated just as frequently with serologically non-B episodes as with identified type B disease.