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respiration

noun/ˌrɛspəˈreɪʃən/

definition

the process by which living organisms take in oxygen and convert it to energy while releasing carbon dioxide

example

The process of cellular respiration allows cells to generate energy efficiently by taking in oxygen and releasing carbon dioxide.

synonyms
breathinginhalationexhalation
word origin — from Latin 'respiratio', from 'respirare' meaning 'to breathe again'

IELTS Vocabulary — Set 82

Set 82 of IELTS Vocabulary covers 5 words: respiration, illumination, risk-taking, formulation, acquisition. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

  1. respiration · noun/ˌrɛspəˈreɪʃən/

    the process by which living organisms take in oxygen and convert it to energy while releasing carbon dioxide

    The process of cellular respiration allows cells to generate energy efficiently by taking in oxygen and releasing carbon dioxide.

    Synonyms: breathing, inhalation, exhalation

    Origin: from Latin 'respiratio', from 'respirare' meaning 'to breathe again'

  2. illumination · noun/ɪˌluməˈneɪʃən/

    the act of lighting something or the state of being lit

    The soft illumination from the lamp created a warm and inviting atmosphere in the room.

    Synonyms: lighting, brightness, luminescence

    Origin: from Latin 'illuminatio', which means 'to light up'

  3. risk-taking · noun/ˈrɪskˌteɪ.kɪŋ/

    the act of engaging in behaviors or decisions that involve potential loss or harm in pursuit of a desired outcome

    Her risk-taking behavior often led her to exciting opportunities in her career.

    Synonyms: risk, venture, gamble

    Origin: The term 'risk' originated from the Italian word 'risco', which means 'danger'. It entered the English language in the late 16th century, and 'taking' comes from the Old English 'tacan', meaning 'to seize or capture'.

  4. formulation · noun/ˌfɔrmjʊˈleɪʃən/

    the process of creating or developing something in a structured way

    The development team presented a new formulation of the product that aimed to enhance its effectiveness.

    Synonyms: development, creation, formulation

    Origin: Derived from the Latin word 'formulatio', which comes from 'formulare' meaning 'to form, shape, or arrange'.

  5. acquisition · noun/ˌækwɪˈzɪʃən/

    the act of gaining possession or control of something

    The company's recent acquisition of a smaller tech firm will enhance its market presence significantly.

    Synonyms: procurement, attainment, purchase

    Origin: from Latin 'acquisitio', meaning 'a gaining', from 'acquirere' meaning 'to acquire'