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INDICATOR
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A device for showing the operating condition of some system
Classified under:
Nouns denoting man-made objects
Hypernyms ("indicator" is a kind of...):
device (an instrumentality invented for a particular purpose)
Hyponyms (each of the following is a kind of "indicator"):
annunciator (an indicator that announces which electrical circuit has been active (as on a telephone switchboard))
cursor; pointer ((computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positions)
dial (the circular graduated indicator on various measuring instruments)
fuel gauge; fuel indicator (an indicator of the amount of fuel remaining in a vehicle)
gnomon (indicator provided by the stationary arm whose shadow indicates the time on the sundial)
level; spirit level (indicator that establishes the horizontal when a bubble is centered in a tube of liquid)
indicator lamp; pilot lamp; pilot light (indicator consisting of a light to indicate whether power is on or a motor is in operation)
pointer (an indicator as on a dial)
scale (an indicator having a graduated sequence of marks)
test paper (paper impregnated with an indicator for use in chemical tests)
tidemark (indicator consisting of a line at the highwater or low-water limits of the tides)
Sense 2
Meaning:
A number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
Synonyms:
index; index number; indicant; indicator
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("indicator" is a kind of...):
fact (a statement or assertion of verified information about something that is the case or has happened)
Hyponyms (each of the following is a kind of "indicator"):
stock index; stock market index (index based on a statistical compilation of the share prices of a number of representative stocks)
short account (the aggregate of short sales on an open market)
price index; price level (an index that traces the relative changes in the price of an individual good (or a market basket of goods) over time)
leading indicator (one of 11 indicators for different sections of the economy; used by the Department of Commerce to predict economic trends in the near future)
business index (a statistical compilation that provides a context for economic or financial conditions)
BMI; body mass index (a measure of someone's weight in relation to height; to calculate one's BMI, multiply one's weight in pounds and divide that by the square of one's height in inches; overweight is a BMI greater than 25; obese is a BMI greater than 30)
Sense 3
Meaning:
A signal for attracting attention
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("indicator" is a kind of...):
sign; signal; signaling (any nonverbal action or gesture that encodes a message)
Hyponyms (each of the following is a kind of "indicator"):
point of reference; reference; reference point (an indicator that orients you generally)
Derivation:
indicate (be a signal for or a symptom of)
Sense 4
Meaning:
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction
Classified under:
Hypernyms ("indicator" is a kind of...):
color; coloring material; colour; colouring material (any material used for its color)
Domain category:
chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)
Hyponyms (each of the following is a kind of "indicator"):
absorption indicator (an indicator used in reactions that involve precipitation)
acid-base indicator (an indicator that changes color on going from acidic to basic solutions)
alpha-naphthol test; Molisch's test; Molisch reaction; Molisch test (biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha-naphthol in the presence of sulfuric acid)
oxidation-reduction indicator (an indicator that shows a reversible color change between oxidized and reduced forms)
Context examples:
There are no indicators of bacterial infection in an individual who previously had an infection.
(Bacteriological Cure, NCI Thesaurus)
A characteristic that is objectively measured and evaluated as an indicator of normal biologic processes, pathogenic processes, or pharmacologic responses to a therapeutic intervention.
(Biomarker, Food and Drug Administration)
A dye used as an indicator in determining pH.
(Bromthymol Blue, NCI Thesaurus)
A general indicator of the body fat an individual is carrying based upon the ratio of weight to height.
(Body mass index, NCI Thesaurus)
An indicator that can be set or unset in order to signal whether a particular condition is true.
(Flag, NCI Thesaurus)
Elevated activity of some fucosyltransferases in human serum may serve as an indicator of malignancy.
(Fucosyltransferase, NLM, Medical Subject Headings)
The most important indicator of prognosis is tumor stage.
(Ovarian Granulosa Cell Tumor, NCI Thesaurus)
An indicator that can be set or unset in order to signal whether the observation is in the units or values as collected, or it has been converted into standardized units or values.
(Original Unit or Value of Reported Test Result Indicator, NCI Thesaurus)
Indicators of oxidative stress include damaged DNA bases, protein oxidation products, and lipid peroxidation products.
(Oxidative stress, NCI Thesaurus)
If the occurrence date is within the study participation date range then this indicator will be "true".
(Performed Medical Condition Result Medical History Indicator, NCI Thesaurus/BRIDG)
