IELTS Vocabulary — Set 191

Set 191 of IELTS Vocabulary covers 5 words: prosperity, disposal, indication, experimentation, rate. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

1. prosperity · noun/prəˈspɛr.ə.ti/

   a state of flourishing, success, or good fortune

   The government's new policies are aimed at promoting economic prosperity for all citizens.

   Synonyms: success, wealth, affluence

   Origin: from Latin 'prosperitas' meaning 'good fortune', derived from 'prosperus' meaning 'fortunate, favorable'

2. disposal · noun/dɪsˈpoʊ.zəl/

   the action of getting rid of something or transferring it to another

   The company has strict policies regarding the disposal of hazardous materials to ensure environmental safety.

   Synonyms: removal, elimination, disposal

   Origin: from Middle English disposisioun, from Old French disposicion, from Latin dispositio(n-), from disponere 'to arrange, put in order'

3. indication · noun/ˌɪndɪˈkeɪʃən/

   a sign or piece of information that suggests something

   The teacher's smile was a clear indication of her approval of the students' hard work.

   Synonyms: sign, signal, suggestion

   Origin: from Latin 'indicatio', from 'indicare' meaning 'to point out, to show'

4. experimentation · noun/ɪkˌspɛrɪˈmɛnˌteɪʃən/

   the process of conducting tests or trials to discover or demonstrate something

   The scientists concluded that the experimentation process was crucial for developing effective new vaccines.

   Synonyms: testing, trial, examination

   Origin: The word 'experimentation' originates from the Latin word 'experimentatio', which means 'a trial, a test'.

5. rate · noun/reɪt/

   a measure or quantity considered in relation to another measure or quantity

   The interest rate on his savings account is significantly higher than the national average.

   Synonyms: ratio, value, measurement

   Origin: from Middle English 'rate', derived from Latin 'ratem', meaning 'to compute' or 'to reckon'.