B2 Unit 65: Science & technology 3
18 B2 words: laser, radar, electronics, ram, icon, plug… Learn them in 4 steps, then review them every day.
Word list
| Word | Meaning | Example | |
|---|---|---|---|
| laser/ˈleɪzɚ/ n | lasera strong, narrow beam of light | Doctors use a laser to do very small, careful operations.Doctors use a laser to do very small, careful operations. | |
| radar/ˈreɪˌdɑr/ n | radara system that finds objects using radio waves | The airport uses radar to find planes in the sky.The airport uses radar to find planes in the sky. | |
| electronics/ˌɪˌlɛkˈtrɑnɪks/ n | electronicsdevices such as phones and computers | Anna works in a shop that sells electronics like phones and TVs.Anna works in a shop that sells electronics like phones and TVs. | |
| ram/ræm/ n | ramcomputer memory used while working | This laptop has sixteen gigabytes of ram.This laptop has sixteen gigabytes of ram. | |
| icon/ˈaɪkɑn/ n | icona small picture that represents a program | Click the small icon on your screen to open the program.Click the small icon on your screen to open the program. | |
| plug/plʌɡ/ v | to plugto connect a device to a power point | Please plug the charger into the wall and wait.Please plug the charger into the wall and wait. | |
| hybrid/ˈhaɪbrəd/ adj | hybridmade by combining two different types | Many people now drive a hybrid car to save fuel.Many people now drive a hybrid car to save fuel. | |
| breakdown/ˈbreɪkˌdaʊn/ n | breakdowna failure of a machine to work | Our car had a breakdown on the way to the airport.Our car had a breakdown on the way to the airport. | |
| innovative/ˈɪnəˌveɪtɪv/ adj | innovativeusing new and original methods | The company is known for innovative ideas and new technology.The company is known for innovative ideas and new technology. | |
| micro/ˈmaɪˌkroʊ/ n | microshort word for something very small | A micro is a tiny unit used for small scientific measurements.A micro is a tiny unit used for small scientific measurements. | |
| scan/skæn/ v | to scanto look at something with a device | The machine will scan your bag before you board.The machine will scan your bag before you board. | |
| interactive/ˌɪntɚˈæktɪv/ adj | interactiveallowing two-way communication with the user | The museum has an interactive screen where you can play games.The museum has an interactive screen where you can play games. | |
| detect/dɪˈtɛkt/ v | to detectto find or notice something hidden | This sensor can detect smoke in the room.This sensor can detect smoke in the room. | |
| sophisticated/səˈfɪstəˌkeɪtɪd/ adj | sophisticatedadvanced and complex in design | The phone has a very sophisticated camera system.The phone has a very sophisticated camera system. | |
| navigation/ˈnævəˈɡeɪʃən/ n | navigationfinding the way using maps or a system | The car’s navigation system showed us the fastest route.The car’s navigation system showed us the fastest route. | |
| aluminum/əˈlumənəm/ n | aluminuma light silver-colored metal | Many drink cans are made of aluminum.Many drink cans are made of aluminum. | |
| probe/proʊb/ n | probea device sent to explore and send data | Scientists sent a space probe to study the planet.Scientists sent a space probe to study the planet. | |
| compatible/kəmˈpætəbəl/ adj | compatibleable to work together with something | This charger is compatible with most phones.This charger is compatible with most phones. |