Waves can transfer energy over distance without movingmatter the entire distance. For example, an ocean wave can travelmany kilometers without the water itself moving many kilometers.The water moves up and downâa motion known as a disturbance.It is the disturbance that travels in a wave, transferring energy.aves can transfer energy over distance without movingmatter the entire distance. For example, an ocean wave can travelmany kilometers without the water itself moving many kilometers.The water moves up and downâa motion known as a disturbance.It is the disturbance that travels in a wave, transferring energy.
deserter - a disloyal person who betrays or deserts his cause or religion or political party or friend etc. apostate, ratter, turncoat, recreant, renegade quitter - a person who gives up too easily
absentee - one that is absent or not in residence. traveler, traveller - a person who changes location. AWOL - one who is away or absent without leave. defaulter - someone who fails to make a required appearance in court. exile, expat, expatriate - a person who is voluntarily absent from home or country; American expatriates. hooky player, truant - one who is absent from school without permission.