What is a good definition of air?
1 : the invisible mixture of odorless tasteless gases that surrounds the earth. 2 : the space or sky that is filled with air The balloon rose up into the air. 3 : air that is compressed I filled the car’s tires with air.
What is an airtight argument?
2 adj An airtight alibi, case, argument, or agreement is one that has been so carefully put together that nobody will be able to find a fault in it.
What is the correct definition for air pressure?
The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by the air above it as gravity pulls it to Earth. One atmosphere is 1,013 millibars, or 760 millimeters (29.92 inches) of mercury.
What is the simplest definition of air?
What is a basic definition of air? Air is the invisible mixture of gases that makes up the Earth’s atmosphere. Speaking scientifically, the word air refers to an invisible mixture of gases, including oxygen, nitrogen, and small amounts of many other gases.
What does air mean on Tik Tok?
“Ignore or Blank Someone” is the most common definition for AIR on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok. AIR. Definition: Ignore or Blank Someone.
Is air tight water tight?
That said, water vapor is a constituent of air, so something that is truly 100% airtight is also watertight: it does not allow water molecules to pass.
What is airtight jar?
If a container is airtight, its lid fits so tightly that no air can get in or out. Store the cookies in an airtight tin. Synonyms: closed, shut, sealed, waterproof More Synonyms of airtight.
What is the synonym of foolproof?
Synonyms & Near Synonyms for foolproof. certain, inerrant, perfect, sure.
What is air pressure full definition?
The definition of air pressure is the force exerted onto a surface by the weight of the air. An example of air pressure is the average sea-level air pressure of 101.325 kPA.
What is air pressure simple definition?
The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by the air above it as gravity pulls it to Earth. Atmospheric pressure drops as altitude increases.
What are the properties of air in the sky?
Properties of Air. If you breathe in the air that is higher in the sky, meaning that it is at a higher altitude than the air you are used to breathing, you will notice a definite difference. You see, air gets thinner as you get higher in the atmosphere so you are getting less oxygen than normal.
What makes up the air in the atmosphere?
Air is a tasteless, odorless and invisible mix of gases that is primarily made up of oxygen and nitrogen. There are layers of air that cover the earth, which is known as the atmosphere. All over the world, there are large and small bodies of air called air masses that remain about the same temperature and moisture.
Are there properties to air you can’t see?
Properties of Air. Just because you can’t see something, doesn’t mean that it isn’t there. Yes, air can’t be seen, smelled, or tasted. Even though the air is invisible, it actually takes up space and has weight.