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| aerate |
to supply (the blood) with oxygen by respiration. [1/3 definitions] |
| aerobe |
an organism, such as a bacterium, that needs oxygen to live. |
| aerobic |
able to work the heart and lungs to help the body use oxygen better. |
| aerobics |
(used with a singular or plural verb) a form of exercise that works the heart and lungs to help the body use oxygen better. Running, swimming, biking, or dance are forms of aerobics. |
| air |
the mixture of gases that surrounds the earth. Air is made up of oxygen, nitrogen, and other gases, and has no taste, odor, or color. [1/6 definitions] |
| aldehyde |
in chemistry, any of a group of organic compounds, such as formaldehyde, the molecule of which contains a terminal carbon atom bound separately to a hydrogen and an oxygen atom. |
| anaerobe |
any of various microorganisms, such as certain bacteria, that are capable of living without air or oxygen. |
| anaerobic |
able to live or act in the absence of free oxygen. [2 definitions] |
| anoxia |
lack of oxygen in the body's tissues. [2 definitions] |
| arsenic |
a tasteless, odorless, extremely poisonous white compound of arsenic and oxygen, used as a pesticide; arsenous acid; arsenic trioxide. [1/2 definitions] |
| arterialize |
to change (blood from the veins) into blood for the arteries through the addition of oxygen in the lungs. |
| asphyxia |
a lack of oxygen or excess of carbon dioxide in the lungs that results in suffocation. |
| asphyxiate |
to cause unconsciousness or death by cutting off oxygen to; suffocate. [1/2 definitions] |
| bacillus |
any rod-shaped bacterium that is active only in the presence of oxygen, or one composed of a chain of rod-shaped elements. [1/2 definitions] |
| blood |
the red liquid which flows through the body. Blood carries oxygen and other substances that the body needs. |
| blue baby |
an infant born with blue-tinged skin from insufficient oxygen in the blood, caused by a congenital heart or lung defect. |
| carbohydrate |
a compound made of carbon, hydrogen, and oxygen. It is formed mainly by plants, and it is used in the body to easily produce and store energy. Sugars and starches are carbohydrates. [2 definitions] |
| carbon dioxide |
a gas without color or odor that is made up of carbon and oxygen. Carbon dioxide is in the air and is used in soft drinks. Frozen carbon dioxide is called dry ice. |
| carbonyl |
a metal compound containing a radical of one atom of carbon and one of oxygen, or this radical itself. |
| carboxyl |
a chemical group containing one atom of carbon, two of oxygen, and one of hydrogen, present in many organic acids. |
| charcoal |
the solid, black form of carbon made by burning wood or other matter in a space with very little oxygen. [1/2 definitions] |
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