400 Must Have Words for the TOEFL LESSON 7 - Computers Vocabulary Test
circulate [ˈsərkjəˌleɪt] v.
To move throughout an area or group; to move along a somewhat circular route
→ The gossip circulated quickly through the small town.
Usage tips Circulate is often followed by through.
Parts of speech circulation n.
corrode [kəˈrəʊd] v.
To be slowly weakened by chemical reactions
→ Sitting in salt water, the old coins corroded and became very easy to break.
Usage tips A familiar kind of corrosion produces rust, the reddish coating on iron or steel that has been exposed to air and water.
Parts of speech corrosion n.
derive [dɪˈraɪv] v.
To come from, usually through a long, slow process
→ The Cyrillic alphabet was derived from the Greek alphabet.
Usage tips Derive is often followed by from.
Parts of speech derivation n., derivative adj.
detection [dɪˈtekʃən] n.
Discovering something that cannot easily be found
→ With new medical technology, the detection of cancer is much easier nowadays.
Usage tips Detection is often followed by an of phrase.
Parts of speech detect v., detectable adj.
expeditiously [ˌekspɪˈdɪʃəslɪ] adv.
Quickly and efficiently
→ Using carrier pigeons, the military commanders exchanged messages expeditiously.
Parts of speech expedite v., expedition n., expeditious adj.
implement [ˈɪmpləˌmɛnt] v.
To make use of; to carry out
→ Not until after the new software was installed could we implement the new filing system.
Parts of speech implement n., implementation n.
innovative [ˈɪnəˌveɪdɪv] adj.
Ahead of the times; novel
→ The innovative use of props and lighting drew many favorable comments.
Parts of speech innovation n.
installation [ˌɪnstəˈleɪʃ(ə)n] n.
Setting something into position for use
→ Installation of the new software takes only four minutes.
Parts of speech install v.
maintenance [ˈmeɪntɪnəns] n.
The act of keeping something in good condition
→ The only problem with living in such a big house is that it requires a lot of maintenance.
Parts of speech maintain v.
simulation [ˌsɪmjəˈleɪʃ(ə)n] n.
An imitation or representation
→ To test car safety, automobile makers study crash simulations.
Parts of speech simulate v., simulator n.