indicator

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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

(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.

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.

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]

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 ?
Whether or not Blinker plays against Hibs, he believes that Celtic will have to ditch the silky soccer that so often succeeds at Parkhead to dig out a result in Edinburgh.
Many of the Parekhead fans didn't see Blinker as the man to fill the Italian's multi-coloured boots.
CELTIC.- Gould 7; Boyd 7, Mahe 7, MCNAMARA 9, Rieper 6 (Annoni 8), Stubbs 7, Larsson 7, Burley 8, Wieghorst 6, Lambert 7, Blinker 5 (Brattbakk 7).
Blinker said: "When I was young I used to enjoy watching him play on the TV as in Holland we could pick up pictures from the BBC.
"But we weren't helped by what I thought was inconsistent refereeing - although I think Blinker deserved to be ordered off."
McKinlay shot over before Rousset was forced to pull off a magnificent save from the lively Blinker, whose shot had deflected awkwardly off Pressley.
Out on the left edge of the box Blinker tried a speculative shot.
Blinker joined Celtic last August as part of the deal which took fans' favourite Paulo Di Canio to Sheffield Wednesday.
Seven minutes later Blinker pulled the ball back for a Larssen, but the Swede took an extra touch and Cameron sprinted back to intercept.
Larsson had two chances with his head which went past the post, and in the closing minute of the half a Blinker cross was taken first time by McNamara.
In the second minute, after Blinker had his shot blocked, Pearcey was able to parry a Humphreys drive only as far as Pembridge - and he somehow managed to scoop over the open goal from two yards.
The Celtic midfielder was accused by new Don Pepper of getting him sent off but Blinker hit back yesterday by claiming that he might miss this Sunday's game against Kilmarnock.