indicator


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Related to indicator: Chemical indicator, Indicator function, PH indicator

indicator

 [in´dĭ-ka″ter]
1. the index finger, or the extensor muscle of the index finger.
2. any substance that indicates the appearance or disappearance of a chemical by a color change or attainment of a certain pH.
prognostic i's factors such as staging, tumor type, and laboratory studies that may indicate treatment effectiveness and outcomes.

in·di·ca·tor

(in'di-kā'tŏr, -tōr),
1. In chemical analysis, a substance that changes color within a certain definite range of pH or oxidation potential, or in any way renders visible the completion of a chemical reaction, for example, litmus, phenolsulfonphthalein.
2. An isotope that is used as a tracer.
3. The labeled substance the distribution of which between reactants of a system is used to determine the amount of analyte present.
[L. one that points out]

indicator

/in·di·ca·tor/ (in´dĭ-kāt″er)
1. the index finger, or the extensor muscle of the index finger.
2. any substance that indicates the appearance or disappearance of a chemical by a color change or attainment of a certain pH.

indicator

(ĭn′dĭ-kā′tər)
n.
1. One that indicates, especially:
a. A pointer or an index.
b. An instrument used to monitor the operation or condition of an engine, furnace, electrical network, reservoir, or other physical system; a meter or gauge.
c. The needle, dial, or other registering device on such an instrument.
2. Chemistry Any of various substances, such as litmus or phenolphthalein, that indicate the presence, absence, or concentration of another substance or the degree of reaction between two or more substances by means of a characteristic change, especially in color.

indicator

[in′dikā′tər]
a tape, paper, tablet, or other substance that is used to test for a specific reaction because it changes in a predictable visible way. Some kinds of indicators are autoclave indicator, dipstick, and litmus paper. Also called reagent.

in·di·ca·tor

(in'di-kā-tŏr)
1. chemical analysis A substance that changes color within a certain definite range of pH or oxidation potential, or in any way renders visible the completion of a chemical reaction (e.g., litmus, phenolsulfonphthalein).
2. An isotope that is used as a tracer.
3. The labeled substance the distribution of which between reactants of a system is used to determine the amount of analyte present.
[L. one that points out]

indicator

A substance that undergoes an observable change, usually a change of colour, when a chemical alteration occurs in its environment. Indicators may demonstrate changes in acidity, the presence of various substances, such as sugar or protein in body fluids, or alterations in the concentrations of substances. Indicators are widely used in chemistry and in clinical medicine.

indicator

colour-reacting reagent, indicating presence and concentration of certain factors, e.g. Clinistix

in·di·ca·tor

(in'di-kā-tŏr)
1. In chemical analysis, a substance that changes color within a certain definite range of pH or oxidation potential, or in any way renders visible the completion of a chemical reaction, e.g., litmus.
2. An isotope that is used as a tracer.
[L. one that points out]

indicator,

n a mark or symptom specific to a condition or disease.
indicator, biologic,
n a small quantity of harmless bacteria
(B. stearothermophilus) placed into an object prior to sterilization, the subsequent death of which indicates that sterilization has taken place. See B. stearothermophilus.
indicator chemical,
n a temperature-sensitive mark that changes color when a specific temperature has been reached. Used in the heat sterilization process but is by itself not proof that an object has been sterilized.
indicator diseases,
n opportunistic infectious diseases or neoplastic diseases that are associated with primary immunodeficiency disease, such as caused by the retrovirus HIV-1.

indicator

1. a piece of information that suggests a suitable line of action, in diagnosis, treatment or control.
2. any substance that indicates the appearance or disappearance of a chemical by a color change or attainment of a certain pH.

indicator plants
plants (e.g. Astragalus and Xylorrhiza spp.) that prefer a higher than normal soil content of a particular element, e.g. selenium, copper. Their presence indicates a potentially poisonous pasture. Called also obligate accumulator plants.

Patient discussion about indicator

Q. What could be the reason? I do go for exercise but the result is not satisfactory to me although I followed good diet, timing etc. What could be the reason?

A. can you list in detail here what you do, what you eat? etc? Your successes and failures? Then we can help you a bit more. Maybe you have plateaued and need to change things up.

Q. What the reasons to the migraine?

A. A migraine headache has many triggers- among which are different foods (cheese, red wine), drinking coffee or caffeine containing beverages, lack of sleep, smoking, drinking alcohol, exposure to strong noise and more. There is also a genetic factor, and you see migraine more in people whose relatives suffer from it too.

Q. what do you think the reason would be? As per the latest statistics that 2 out of 150 kids born in the U.S. has autism, and the incidence rate is increasing, what do you think the reason would be?

A. The actual statistics is not 2 out of 150. It is 1 out of 150. I don't think autism is increasing, I think more children are being labeled as autistic - the condition is more well known than it was 20 years ago.

More discussions about indicator
References in periodicals archive ?
Consider any recommendations on reporting frequency and templates for those core indicators.
HHS Secretary Kathleen Sebelius called the Health Indicators Warehouse "a new public resource needed to fuel development of innovative information technology applications needed to improve health and health care decision-making.
In order to take into account the degree of inventiveness, there has been proposed in the paper to make an adjustment on the basis of the five levels of the inventiveness solutions and of the required inspirations sources established by Altshuller, with the grades corresponding to the inventiveness indicator, [I.
An indicator of underlying inflation can also be a useful tool in justifying and explaining the conduct of monetary policy to the general public.
Results are shown in graphs on which the upper dashed line shows the average implicit indicator.
The author points out that these trending indicators are lagging indicators as they depend on past financial data.
In selecting comparables, consider the source of the data, the depth of the industries it covers, the quality control over the data, whether it reports in averages or quartiles and whether it includes the key performance indicators needed for the analysis.
To check turret alignment, place your indicator base on the casting and the indicator tip on the turret tool position that runs parallel to the cross slide.
It is organized as a series of indicators, with each indicator presenting data on a different aspect of school crime and safety.
The new community indicator movement is thriving in North America and producing indicator reports that are meant to reflect a community's values and character.
The degree to which they are successful at this, in a variety of courses, is an indicator of quality at the program level.
BHM offers the LevAlert indicator, which shows the level of material, such as sand, in a silo or bin.