B2 Unit 119: Science & technology 7
15 B2 words: revolutionize, radium, magnify, conferencing, gravitation, stopwatch… Learn them in 4 steps, then review them every day.
Word list
| Word | Meaning | Example | |
|---|---|---|---|
| revolutionize/ˌrɛvəˈluʃəˌnaɪz/ v | to revolutionizeto change completely | The internet did revolutionize how we communicate.The internet did revolutionize how we communicate. | |
| radium/ˈreɪdiəm/ n | radiuma rare radioactive metal element | Radium is a rare radioactive metal found in some rocks.Radium is a rare radioactive metal found in some rocks. | |
| magnify/ˈmæɡnəˌfaɪ/ v | to magnifyto make something look bigger | You can use this glass to magnify the tiny letters.You can use this glass to magnify the tiny letters. | |
| conferencing/ˈkɑnfrənsɪŋ/ n | conferencingholding meetings between people in different places by technology | Video conferencing lets our team meet without travelling to one office.Video conferencing lets our team meet without travelling to one office. | |
| gravitation/ˌɡrævɪˈteɪʃən/ n | gravitationthe force that pulls objects towards each other | Newton described gravitation as the force that pulls objects together.Newton described gravitation as the force that pulls objects together. | |
| stopwatch/ˈstɑpˌwɑtʃ/ n | stopwatcha watch that measures how long something takes | The coach used a stopwatch to time each runner.The coach used a stopwatch to time each runner. | |
| paperless/ˈpeɪpɚləs/ adj | paperlessusing computers instead of paper | Our office is paperless now, so we store everything on computers.Our office is paperless now, so we store everything on computers. | |
| micrometer/maɪˈkrɑmətɚ/ n | micrometera tool for measuring very small distances | The engineer used a micrometer to measure the thin metal sheet.The engineer used a micrometer to measure the thin metal sheet. | |
| microcomputer/ˈmaɪˌkroʊkəmˈpjutɚ/ n | microcomputera small computer with a microprocessor | The first microcomputer in our school was big and slow.The first microcomputer in our school was big and slow. | |
| keystroke/ˈkiˌstroʊk/ n | keystrokeone press of a key on a keyboard | Each keystroke on the keyboard appears on the screen immediately.Each keystroke on the keyboard appears on the screen immediately. | |
| antistatic adj | antistaticpreventing the build-up of static electricity | Use an antistatic cloth to clean the computer screen.Use an antistatic cloth to clean the computer screen. | |
| cybercafe n | cybercafea café where you can pay to use the internet | Ken checked his email at a cybercafe near the station.Ken checked his email at a cybercafe near the station. | |
| cyberaddict n | cyberaddicta person who cannot stop using the internet | A cyberaddict may spend all night online and forget to sleep.A cyberaddict may spend all night online and forget to sleep. | |
| cyberpet n | cyberpeta virtual pet that lives on a screen | Leo feeds his cyberpet on his phone every morning.Leo feeds his cyberpet on his phone every morning. | |
| netsurfer n | netsurfera person who browses the internet a lot | A keen netsurfer, Sam spends hours looking at websites.A keen netsurfer, Sam spends hours looking at websites. |