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Vocabulary

Unit 24

Word list

accelerate

v. To accelerate means to increase in speed.

When he stepped on the gas pedal, the motorcycle accelerated.

anew

adv. If you do something anew, you do it again, possibly in a different way.

Although he had failed his driving test, he decided to try it anew.

defect

n. A defect is a part of something that is wrong or missing.

All these bottles have a defect and must be sent back to the warehouse.

dreary

adj. If something is dreary, then it is dull, dark, and lifeless.

After the fire, this section of forest is rather dreary.

duplicate

v. To duplicate something means to copy it.

She duplicated her friend’s movements like she was in front of a mirror.

electromagnetic

adj. If something is electromagnetic, it is related to electricity and magnetic fields.

Different colors of light come from different levels of electromagnetic energy.

electron

n. An electron is a particle in all atoms that has a negative electric charge.

The number of electrons in an atom determines its charge.

glide

v. To glide means to fly on extended wings with little or no effort.

When the wind is blowing, birds can glide easily through the sky.

ingenious

adj. If someone is ingenious, then they are very smart.

Charles was the only person ingenious enough to repair the plane’s engines.

innovation

n. An innovation is a product, or an idea, that is new or very original.

Mrs. Johnson made a great innovation to the company’s business plan.

innovative

adj. If something or someone is innovative, they can think in creative ways.

Since Peter was so innovative, he was chosen to lead the science team.

launch

v. To launch something means to make it go into motion.

The boat launched from the dock and floated down the river.

meteorological

adj. If something is meteorological, it is concerned with the science of weather.

The thunderstorm was so large that it became a great meteorological event.

meteorology

n. Meteorology is the science that studies the weather.

In order to understand the weather better, you should study meteorology.

penetrate

v. To penetrate something means to enter into it.

The knife easily penetrated the surface of the orange.

persistent

adj. A persistent person does not give up and keeps on working.

They made persistent attempts to get him to eat.

propulsion

n. Propulsion is the force that moves something forward.

The propulsion lifted the rocket into the sky.

simulate

v. To simulate something means to copy its actions or characteristics.

The French language teacher could simulate the accent of a French citizen.

spur

v. To spur someone means to urge them into action.

The coach’s speech spurred her team into playing the best game of their lives.

stimulate

v. To stimulate something means to cause or to increase activity in it.

Doctors sometimes use electric shock to stimulate a patient’s heartbeat.