Sound | Short/Long Answer Questions Echo is the sound heard after reflection from a rigid surface such as a cliff, a hillside, the wall of a building etc. So from the rigid surface because the sound heard after the reflection.

a repetition or imitation of another

Echoes are used by bats, dolphins and fisherman to detect an object / obstruction. They are also used in SONAR (Sound navigation and ranging) and RADAR(Radio detection and ranging) to detect an obstacle.

Echo is defined as a sound repeating by sound wave reflection, having a lasting or far reaching impact, or repeating what someone else has said. An example of echo is the repeating of a sound created by footsteps in an empty marble hallway. An example of echo is a teacher agreeing with and repeating what a parent says.

determining the distance to an object by measuring the time between transmitting a sound signal and hearing its echo.

In other words, one user’s voice travels across the phone system to the other party, their phone’s speaker plays the sound, then their phone microphone picks up that sound and it is transmitted back to the first phone as an echo. This is common on cell phones, wither iPhones, Androids, or Samsung Galaxy.

English Sentences Focusing on Words and Their Word Families The Word “Echo” in Example Sentences Page 1

1. [S] [T] Her laughter echoed through the house. ( CM)
2. [S] [T] The sound of a gunshot echoed across the canyon. ( CK)
3. [S] [T] We heard the echo of our voices from the other side of the valley. ( CK)

Echo Time (TE) is the time between the 90° RF pulse and MR signal sampling, corresponding to maximum of echo. The 180° RF pulse is applied at time TE/2. Repetition Time is the time between 2 excitations pulses (time between two 90° RF pulses).

A fusillade is the simultaneous and continuous firing of a group of firearms on command. It stems from the French word fusil, meaning firearm, and fusiller meaning to shoot. Suppressing fire (done in conjunction with fire and movement) is often in the form of a fusillade.

1a : marked by arrogant assurance : domineering. b : befitting or characteristic of one of eminent rank or attainments : commanding, dominant an imperious manner.

The definition of imperious is someone or something that is domineering and demanding, without any justification or right. An example of imperious is a demand by a new house guest that you go to the store and buy him the type of drink he enjoys.

Imperious sentence example. The imperious manner of Andros made him many enemies. Though clever and good-looking, she was self-willed and imperious , and without the conciliatory manners which her difficult position required.

The definition of an anathema is a person or thing who is detested or hated. Adolf Hitler is an example of an anathema.

Anathema, in common usage, is something that or someone who is detested or shunned. In its other main usage, it is a formal excommunication. The latter meaning, its ecclesiastical sense, is based on New Testament usage.

Anathema in a Sentence ?

1. After the world learned of his heinous crimes, the dictator was considered an anathema.
2. The epidemic which killed dozens of small children was an anathema to the residents of the town.

verb (used with object), a·nath·e·ma·tized, a·nath·e·ma·tiz·ing. to pronounce an anathema against; denounce; curse.