negative

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neg·a·tive

(neg'ă-tiv), Avoid the jargonistic use of this word as a synonym of normal or in expressions that may be obscure or ambiguous, as in negative findings and negative results.
1. Not affirmative; refutative; not positive; not abnormal.
2. Denoting failure of response, absence of a reaction, or absence of an entity or condition in question.
[L. negativus, fr. nego, to deny]

negative

(nĕg′ə-tĭv)
adj.
1. Marked by failure of response or absence of a reaction.
2. Not indicating the presence of a particular disease, condition, or organism.
3. Moving or turning away from a stimulus, such as light.

negative

Lab medicine
noun A lab result that is normal; failure to show a positive result for the specific disease or condition for which the test is being done.

Vox populi
noun Absence or nonexistence of a thing or activity.

negative

noun Lab medicine A lab result that is normal; failure to show a positive result for the specific disease or condition for which the test is being done. See False negative, Hemoccult negative, True negative Vox populi Absence or nonexistence of a thing.

neg·a·tive

(neg'ă-tiv)
1. Not affirmative; refutative; not positive.
2. mathematics Having a value less than zero.
3. physics, chemistry Having an electric charge resulting from a gain or overabundance of electrons, hence able to donate (lose) electrons.
4. medicine Denoting a response to a diagnostic maneuver or laboratory study that indicates the absence of the disease or condition tested for.
[L. negativus, fr. nego, to deny]

neg·a·tive

(neg'ă-tiv)
Not affirmative; refutative; not positive.
[L. negativus, fr. nego, to deny]

Patient discussion about negative

Q. is her2 positive more agressive than her2 negative? i know someone with her2 positive breast cancer and her doctor said it was more difficult to detect upon its return if it came back i want to know if it is true and what can she do to detect it earlier

A. Over-expression of her2/neu, a specific molecule in the breast cancer cell is indeed considered to convey worse prognosis, and suggest the need for chemotherapy and immunotherapy with Herceptin. However, the decision is much more complicated and should be made on case by case basis after consulting a professional.

Q. Rising PSA to 10 with two negative biospies? Expect cancer? 67 yrs old in good health otherwise.

A. High values don't always mean it's cancer. At 67 years old, you're prostate is most likely enlarging, resulting in the higher PSA results. And after two negative biopsies, it sounds like you're in the clear. Like Brandon said though, keep up with your regular check ups.
Source: http://www.northshore.org/healthresources/encyclopedia/encyclopedia.aspx?Version=Q3_08&DocumentHwid=hw5522&ViewHwid=hw5548

Q. Does the cooking have a negative effect on the protein content of the food? I have heard that high temperatures cooking breaks the protein, so does the cooking have a negative effect on the protein content of the food?

A. Yes. Proteins can be denatured by heat, but only when the protein structure is delicate or is exposed to extremely high temperatures for long time. You must remember that breaking of protein is the physical-chemical process where the physical or chemical structure of a protein is rearranged. So cooking will not reduce on the nutritive value of the food until it’s cooked at cooking temperatures.

More discussions about negative
References in periodicals archive ?
Kullow said he wants to pursue Civil Engineering and he did not expect to score an A- (minus).
Other overnight cold spots included Chesham in Buckinghamshire at minus 9C (16F) and Little Rissington in Gloucestershire where it was minus 8C (18F).
Business activity is expected to see little change over the next three months, with firms envisaging that business volumes will fall at a similar rate (minus 11%) and that the pace of decline in business values will accelerate (minus 17%).
Sentiment among large manufacturers dropped to minus 7.3 from minus 6.1, largely affected by higher crude oil and other commodity prices and slowing exports of electronics parts to Asia, where production slowed on weaker consumption in Europe in the wake of the sovereign debt crisis in the eurozone.
There has also been a rise in people's confidence regarding their own finances, improving from minus 9 to minus 6 in the last month.
Kargil town in Ladakh region was the coldest place in Kashmir division with a minimum temperature of minus 17.2 deg C.
The big freeze, that kicked in on November 24, saw temperatures drop across Teesside to as low as minus 14C in Crathorne on December 2 - equalling that being experienced in the Russian capital on the same day.
situation in the coming 12 months dropping to minus 6.1 from minus 2.2, the
Examining account size, only jumbo-size accounts of more than $1 million in premium remained unchanged on a month-to-month basis at minus 8 percent.
Those with "worse than normal" orders outnumbered a handful saying they were better by 56 per cent of the sample, after adverse balances of minus 48 per cent and minus 35 per cent in January and December.
Ludlow's clerk of the course Bob Davies is a little more hopeful, although he is anticipating temperatures of at least minus two overnight.
The impact of plus minus grading policies on student grades is a topic which has been debated at several colleges and universities in the United States sine the 19990's (Gosselin,1197; Riley et.