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Từ điển Oxford Learners Wordfinder Dictionary
indicator



noun
1. 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 (Freq. 9)
Syn:
index, index number, indicant
Hypernyms:
fact
Hyponyms:
body mass index, BMI, business index, leading indicator, price index,
price level, short account, stock index, stock market index
2. a signal for attracting attention (Freq. 2)
Derivationally related forms:
indicate
Hypernyms:
signal, signaling, sign
Hyponyms:
reference point, point of reference, reference
3. a device for showing the operating condition of some system (Freq. 2)
Hypernyms:
device
Hyponyms:
annunciator, cursor, pointer, dial, fuel gauge,
fuel indicator, gnomon, level, spirit level, pilot light, pilot lamp,
indicator lamp, scale, test paper, tidemark
4. (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
Topics:
chemistry, chemical science
Hypernyms:
coloring material, colouring material, color, colour
Hyponyms:
absorption indicator, acid-base indicator, alpha-naphthol test, Molisch's test, Molisch test,
Molisch reaction, oxidation-reduction indicator

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