echolocation

«echolocation» in Mova's school dictionary: a way some animals find things by making sounds and… — its meaning for a pupil, its sense in the lessons and examples, with 2 sentences of Mova's corpora that use it.

part of speech

noun (echolocation, uncountable)

meaning for a pupil

1) Echolocation is a way some animals find things by making sounds and listening for the echoes that bounce back. tree →

2) It is also used by machines, like sonar on ships, to find things underwater. tree →

sense in the lessons

In science lessons on sound and animals, bats use echolocation to catch insects in the dark, and dolphins and some whales use it under water. It shows that sound travels, bounces and can be used to «see». Phrases: «use echolocation», «bats and echolocation».

examples

• Bats use echolocation to find moths in the dark. tree →
• Dolphins hunt fish using echolocation. tree →
• Echolocation works because sound bounces back off objects. tree →
• The closer the moth, the sooner the echo returns. tree →
• Ships use sonar, a kind of echolocation, to find the sea bed. tree →
• Some blind people learn a kind of echolocation by clicking their tongues. tree →
• We learned about echolocation in our lesson on sound. tree →

note

Uncountable. Made from «echo» + «location». Myth: bats are not blind; most can see, but echolocation helps them in the dark. The time an echo takes tells the distance: a longer time means the object is further away.

In the corpora

• Bats can see, and many bats also find their way by echoes, which is called echolocation.
• Bats can see; echolocation adds to their sight.

Trees and pragmatics

Every meaning and example of «echolocation» parsed by Mova, each sentence with its dependency tree and frames.