echo

• Substantivo que designa o som refletido por uma superfície e ouvido novamente, ou a repetição ou imitação de algo.

A noun referring to a sound that is reflected off a surface and heard again, or a repetition or imitation of something.

1. Sound reflectionA2formal

   A sound that is reflected off a surface and heard again after the original sound.

   Eco

   • The echo of his voice bounced off the canyon walls.
   • She shouted into the cave and heard her echo return.
   • The echo in the empty hall made the music sound eerie.

   Sinônimosre-echoreflectionrepetitionresonancereverberationringing

2. Repetition or imitationB2formal

   Something that repeats or reflects an idea, opinion, or event.

   Repetição ou imitação

   • His speech was an echo of the president's earlier remarks.
   • The new policy is an echo of past failed attempts.
   • Her laughter was an echo of her mother's.

   Sinônimoscopyimitationmirrorreflectionreminderrepetitionreplicaresonancereverberationtrace

   Antônimosinnovationnoveltyoriginal

3. Technical signalB2formaltechnical

   A reflected signal in radar, sonar, or ultrasound technology.

   Eco

   • The radar detected an echo from the approaching aircraft.
   • Sonar uses sound echoes to map the ocean floor.
   • The ultrasound machine processes echoes to create images.

   Sinônimosbackscatterreflectionreturn

• Verbo usado para indicar a ação de repetir ou refletir um som, bem como imitar ou repetir as palavras ou ações de alguém.

A verb used to indicate the act of repeating or reflecting a sound, or to imitate or repeat someone's words or actions.

1. Repeat soundA2formal

   To repeat a sound due to the reflection of sound waves.

   Repetir o som

   • The sound of his footsteps echoed through the empty hall.
   • Her voice echoed in the canyon.
   • The gunshot echoed across the valley.

   Sinônimosresonateresoundreverberatering

2. B2formal

   To repeat or imitate what someone else has said or done.

   Repetir ou imitar

   • The child echoed her mother's words.
   • His speech echoed the sentiments of the entire community.
   • The article echoes the opinions of many experts.

   Sinônimoscopyimitatemimicmirrorparrotreflectrepeatreproduce

   Antônimosinnovateoriginate