- What is the definition of invisible?
- Can a loud sound kill you?
- How do mermaids speak underwater?
- What does under the weather mean?
- What does the idiom under the weather mean?
- Why can’t humans hear underwater?
- Can you talk under water meaning?
- Is it underwater or under water?
- How do you spell underwater?
- Can we talk under water?
- What does the term under water mean?
- Can you hear someone speak underwater?
- What does head under water mean?
- Does anyone live underwater?
- What’s another word for underwater?
What is the definition of invisible?
not visible; not perceptible by the eye: invisible fluid.
withdrawn from or out of sight; hidden: an invisible seam.
not perceptible or discernible by the mind: invisible differences..
Can a loud sound kill you?
The general consensus is that a loud enough sound could cause an air embolism in your lungs, which then travels to your heart and kills you. … High-intensity ultrasonic sound (generally anything above 20KHz) can cause physical damage.
How do mermaids speak underwater?
And that’s how mermaids communicate among themselves – just like whales and dolphins do. Your mermaids may learn how substitute their gills for vocal cords, and how to make strange sounds with their tongues and lips in order to communicate with humans, but that may be unnatural to them.
What does under the weather mean?
phrase. If you say that you are under the weather, you mean that you feel slightly ill. I was still feeling a bit under the weather. Synonyms: ill, unwell, poorly [informal], sick More Synonyms of under the weather.
What does the idiom under the weather mean?
To feel under the weather means to feel sick. In most cases, it’s used to say that you feel a little sick. To fight something off means that your body is stopping you from getting sick. But… you usually feel low on energy and feel tired when this happens. To be Sick and ill both mean to feel unwell.
Why can’t humans hear underwater?
When you’re on dry land, sound travels in waves through the air. … Sound waves actually travel five times faster in water than in air. Underwater those sound waves don’t vibrate the ossicles bones in your inner ear. They go straight to the skull bones, vibrating that heavy bone you can touch just behind your ear.
Can you talk under water meaning?
can talk under water. If you say that someone can talk under water, you mean that they talk a lot.
Is it underwater or under water?
Being very old and set in my ways, I tend to use “underwater” as an adjective [as in an “underwater camera”], and “under water” as an adverbial phrase [as in “this man is swimming under water”]. However, more and more people seem to use “underwater” in both cases these days, so you can decide which suits you better.
How do you spell underwater?
Underwater vs. under water – Correct Spelling – Grammarist.
Can we talk under water?
Even though sound travels well in water, our vocal cords are not designed to generate underwater sound. … Special underwater communication systems have been developed to allow divers to talk to each other underwater.
What does the term under water mean?
Underwater is the term for a financial contract or asset that is worth less than its notional value. … In the case of the mortgage or loan, the holder of the asset actually owes more than the asset is worth. Underwater is also referred to as upsidedown.
Can you hear someone speak underwater?
On land, sound travels through air conduction. This means that sound waves travel through the air, causing your eardrum to vibrate. … Researchers have determined that bone conduction allows us to hear sounds underwater that are much higher in pitch than sounds we hear on land.
What does head under water mean?
To be ‘under the water’ or having your ‘head underwater’ means your feeling emotionally drowned or ‘in over your head’. So for example: “your love makes feel like my heads under water” -meaning that you are overwhelmed by the emotions or ‘suffocating’… Sorry that was long to explain.
Does anyone live underwater?
Underwater habitats are underwater structures in which people can live for extended periods and carry out most of the basic human functions of a 24-hour day, such as working, resting, eating, attending to personal hygiene, and sleeping.
What’s another word for underwater?
under-sea, subaqueous, in-water, undersea, submerged, sub-surface, submarine, under, cross-harbour, deep-sea.