Sinus
noun
A cavity, channel, or passage within a body or organ, especially in the skull connecting with the nose.
He had an infection in his sinus.
Often appears as...
- sinus infection
- sinus headache
Usage tips
Technical
noun
A slight contraction in a canal or passage in a body.
The sinus in the heart helps regulate the heartbeat.
Often appears as...
- sinus of valsalva
- sinus rhythm
Usage tips
Technical
noun
In mathematics, it is a function of an angle (in radians) in a right triangle. Sinus is a ratio of the length of the side that is opposite that angle to the length of the longest side of the triangle (the hypotenuse).
She calculated the sinus of the right triangle.
Often appears as...
- sinus curve
- sinus function
Usage tips
Academic
noun
A cavity, channel, or passage within a body or organ, especially in the skull connecting with the nose.
He had an infection in his sinus.
Often appears as...
- sinus infection
- sinus headache
Usage tips
Technical
noun
A slight contraction in a canal or passage in a body.
The sinus in the heart helps regulate the heartbeat.
Often appears as...
- sinus of valsalva
- sinus rhythm
Usage tips
Technical
noun
In mathematics, it is a function of an angle (in radians) in a right triangle. Sinus is a ratio of the length of the side that is opposite that angle to the length of the longest side of the triangle (the hypotenuse).
She calculated the sinus of the right triangle.
Often appears as...
- sinus curve
- sinus function
Usage tips
Academic
Definition 1 of 3
Pro Tip 1/3Biological Feature
Refers to natural structures in the body, mainly around the nasal area.
Sinus issues can cause breathing problems.
Pro Tip 2/3Specific Symptoms
Often associated with specific health problems like congestion and headaches.
A sinus headache can be quite painful.
Pro Tip 3/3Not Always Sinuses
The word 'sinus' might incorrectly be used for any headache or facial pain.
Not every forehead pain is a sinus issue.
Pro Tip 1/3Biological Feature
Refers to natural structures in the body, mainly around the nasal area.
Sinus issues can cause breathing problems.
Pro Tip 2/3Specific Symptoms
Often associated with specific health problems like congestion and headaches.
A sinus headache can be quite painful.
Pro Tip 3/3Not Always Sinuses
The word 'sinus' might incorrectly be used for any headache or facial pain.
Not every forehead pain is a sinus issue.
Pro Tip 1/3Biological Feature
Refers to natural structures in the body, mainly around the nasal area.
Sinus issues can cause breathing problems.
Pro Tip 2/3Specific Symptoms
Often associated with specific health problems like congestion and headaches.
A sinus headache can be quite painful.
Pro Tip 3/3Not Always Sinuses
The word 'sinus' might incorrectly be used for any headache or facial pain.
Not every forehead pain is a sinus issue.
Never forget "Sinus"
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Video examples
What makes us get sick?...
and yet, here was Veronica, a grown woman, with the same telltale sign of allergies. A few minutes later, in asking Veronica some questions, and examining her and listening to her, I said, "Veronica, I think I know what you have. I think you have chronic allergies, and I think you have migraine headaches and some sinus congestion,
Video examples
Safari Live - Day 31 PIPE...
driving it's not something that you see every day it's certainly not something that I was hoping to have and I'm going to try and change direction so that the dust blows away from me and not into the car because otherwise everything needs covered in dust and like I say up in the sinuses and in the eyes and then you
Video examples
The extraordinary lives...
ox literally the terrifying ferocious leech and there are a bunch of cases of this that happened around the world there was one that we encountered from Peru where there is a young boy who had a leech that was stuck up in his nostril this is an endoscope going up to the back of the sinuses there and if you
Video examples
The science of spiciness...
found in black pepper and chili peppers, are made up of larger, heavier molecules called alkylamides, and those mostly stay in your mouth. Mustard, horseradish, and wasabi are made up of smaller molecules, called isothiocyanates, that easily float up into your sinuses.
Video examples
Buddy System PIPE Yukon...
excruciating pain wise and when the gallbladder goes bad or he gets towed stuck in there it just starts wearing me out and I got tooth picked I decided to start going bad at the same time has been shooting paints up through my sinuses and into my ear I can't even
Video examples
What happens when you...
He told me that everything -- the fevers, the sore throats, the sinus infection, all of the gastrointestinal, neurological and cardiac symptoms -- were being caused by some distant emotional trauma that I could not remember. The symptoms were real, he said,
Video examples
Iain Hutchison: Saving...
with cavities, the sinuses, which warm and moisten the air we breathe. But also imagine if they were filled with solid bone -- our head would be dead weight, we wouldn't be able to hold it erect, we wouldn't be able to look at the world around us.
Video examples
Ferocious Dinosaur...
scanner it revealed a curious pattern of holes and sinuses in the snout that look just like those of crocodiles it's thought these contain pressure sensors sensors that like a crocodile can detect prey making it perfectly adapted to hunting
Video examples
Spinosaurus Fishes for...
It revealed a curious pattern of holes and sinuses in the snout that looked just like those of crocodiles. It's thought these contained pressure sensors sensors that, like a crocodile, can detect prey,
Video examples
Top 5 Dinosaur Moments PIPE...
scanner it revealed a curious pattern of holes and sinuses in the snout that looked just like those of crocodiles it's thought these contain pressure sensors sensors that like a crocodile
Video examples
What makes us get sick?...
and yet, here was Veronica, a grown woman, with the same telltale sign of allergies. A few minutes later, in asking Veronica some questions, and examining her and listening to her, I said, "Veronica, I think I know what you have. I think you have chronic allergies, and I think you have migraine headaches and some sinus congestion,
Video examples
Safari Live - Day 31 PIPE...
driving it's not something that you see every day it's certainly not something that I was hoping to have and I'm going to try and change direction so that the dust blows away from me and not into the car because otherwise everything needs covered in dust and like I say up in the sinuses and in the eyes and then you
Video examples
The extraordinary lives...
ox literally the terrifying ferocious leech and there are a bunch of cases of this that happened around the world there was one that we encountered from Peru where there is a young boy who had a leech that was stuck up in his nostril this is an endoscope going up to the back of the sinuses there and if you
Video examples
The science of spiciness...
found in black pepper and chili peppers, are made up of larger, heavier molecules called alkylamides, and those mostly stay in your mouth. Mustard, horseradish, and wasabi are made up of smaller molecules, called isothiocyanates, that easily float up into your sinuses.
Video examples
Buddy System PIPE Yukon...
excruciating pain wise and when the gallbladder goes bad or he gets towed stuck in there it just starts wearing me out and I got tooth picked I decided to start going bad at the same time has been shooting paints up through my sinuses and into my ear I can't even
Video examples
What happens when you...
He told me that everything -- the fevers, the sore throats, the sinus infection, all of the gastrointestinal, neurological and cardiac symptoms -- were being caused by some distant emotional trauma that I could not remember. The symptoms were real, he said,
Video examples
Iain Hutchison: Saving...
with cavities, the sinuses, which warm and moisten the air we breathe. But also imagine if they were filled with solid bone -- our head would be dead weight, we wouldn't be able to hold it erect, we wouldn't be able to look at the world around us.
Video examples
Ferocious Dinosaur...
scanner it revealed a curious pattern of holes and sinuses in the snout that look just like those of crocodiles it's thought these contain pressure sensors sensors that like a crocodile can detect prey making it perfectly adapted to hunting
Video examples
Spinosaurus Fishes for...
It revealed a curious pattern of holes and sinuses in the snout that looked just like those of crocodiles. It's thought these contained pressure sensors sensors that, like a crocodile, can detect prey,
Video examples
Top 5 Dinosaur Moments PIPE...
scanner it revealed a curious pattern of holes and sinuses in the snout that looked just like those of crocodiles it's thought these contain pressure sensors sensors that like a crocodile
Example 1 of 10
Quote examples
Rob Halford
English Musician
I chew a special brand of gum that you can't get in America. It's British, and it's called Airwaves. It's a menthol eucalyptus gum that is a very soothing thing for me when I'm singing because I'm swallowing, and it also keeps my sinuses and general upper breathing clear. I've got to be able to hit these clear, clean notes.
Quote examples
Kevin McCloud
British Designer
I don't know whether other asthma sufferers find this, but I've noticed that even when I've got my asthma under control, I often develop another problem such as an ear, chest or sinus infection and sometimes even joint pains.
Quote examples
Judy Blume
American Author
I used to love getting on planes. I loved the packing and going places. Now I don't because I've developed these really bad sinuses. I have to take a prednisone to fly, but it works, and I'm OK.
Quote examples
John M. Grunsfeld
American Astronaut
One of the things that happens in space is that there is a fluid shift. You get a lot of extra pressure, and it fills your sinuses, and the horseradish is a miracle worker for cleaning that out.
Quote examples
Amanda Nunes
Brazilian Athlete
As soon as I go to another area, another climate, I always have this kind of pressure in my sinuses. Honestly, I used to worry about a lot, I'd think something was wrong with me.
Quote examples
Denise Austin
American Author
I love handfuls of almonds, laced with wasabi flavor - because it is sinus clearing and satisfies that salty craving with a kick!
Quote examples
Kristen Welker
American Journalist
I got such a bad series of sinus infections while covering President Obama's 2012 reelection campaign, I lost my sense of smell!
Quote examples
James Altucher
American Author
Life is better when your sinuses are clean, when your arteries are clean, and when your digestive tract is clean.
Quote examples
Mayim Bialik
American Actress
I've never had a sinus infection or been on antibiotics since cutting out dairy.
Quote examples
Rob Halford
English Musician
I chew a special brand of gum that you can't get in America. It's British, and it's called Airwaves. It's a menthol eucalyptus gum that is a very soothing thing for me when I'm singing because I'm swallowing, and it also keeps my sinuses and general upper breathing clear. I've got to be able to hit these clear, clean notes.
Quote examples
Kevin McCloud
British Designer
I don't know whether other asthma sufferers find this, but I've noticed that even when I've got my asthma under control, I often develop another problem such as an ear, chest or sinus infection and sometimes even joint pains.
Quote examples
Judy Blume
American Author
I used to love getting on planes. I loved the packing and going places. Now I don't because I've developed these really bad sinuses. I have to take a prednisone to fly, but it works, and I'm OK.
Quote examples
John M. Grunsfeld
American Astronaut
One of the things that happens in space is that there is a fluid shift. You get a lot of extra pressure, and it fills your sinuses, and the horseradish is a miracle worker for cleaning that out.
Quote examples
Amanda Nunes
Brazilian Athlete
As soon as I go to another area, another climate, I always have this kind of pressure in my sinuses. Honestly, I used to worry about a lot, I'd think something was wrong with me.
Quote examples
Denise Austin
American Author
I love handfuls of almonds, laced with wasabi flavor - because it is sinus clearing and satisfies that salty craving with a kick!
Quote examples
Kristen Welker
American Journalist
I got such a bad series of sinus infections while covering President Obama's 2012 reelection campaign, I lost my sense of smell!
Quote examples
James Altucher
American Author
Life is better when your sinuses are clean, when your arteries are clean, and when your digestive tract is clean.
Quote examples
Mayim Bialik
American Actress
I've never had a sinus infection or been on antibiotics since cutting out dairy.
Example 1 of 9
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