| amphibian |
a small animal that spends part of its life cycle in water and part of its life cycle on land. Amphibians hatch in water and breathe with gills. Then they develop lungs so the adults can breathe air. Amphibians are cold-blooded animals with skeletons inside their bodies. Frogs, toads, and salamanders are amphibians. [1/2 definitions] |
| anaconda |
a very large snake found in South America. Anacondas are not venomous but kill other animals by squeezing them until they cannot breathe. Anacondas can grow to over twenty feet long. |
| asthma |
a disease of the lungs that makes it difficult to breathe. Asthma is often caused by an allergy. |
| blowhole |
a hole in ice that covers a body of water. Whales and other sea mammals come to blowholes to breathe. [1/3 definitions] |
| boa constrictor |
a large snake that lives in the tropical areas of Central and South America. Boa constrictors are pale brown with darker marks and are not venomous. They kill their prey by winding around it and squeezing it until it cannot breathe. |
| breathable |
combined form of breathe. |
| constrictor |
a snake that kills its prey by winding around it and squeezing it until it can not breathe. Pythons, boa constrictors, and anacondas are constrictors. |
| cough |
to push out air and other substances from the lungs, making a noise in the throat. People cough because of illness or when they breathe in something such as smoke or dust. [1/2 definitions] |
| dolphin |
a mammal that lives in the water. Dolphins look like large fish but they breathe air. They have teeth and a snout that looks like a beak. Most kinds of dolphins live in the ocean. A few kinds live in large rivers in Asia and South America. Dolphins are closely related to porpoises and other toothed whales. |
| dragon |
an imaginary monster that looks like a giant lizard with wings, claws, and a long tail. In stories or pictures, dragons breathe fire and often guard a place or treasure. |
| draw |
to breathe in; inhale. [1/8 definitions] |
| exhale |
to breathe out; give out breath or vapor. |
| expire |
to breathe out; exhale. [1/4 definitions] |
| fish |
an animal that lives in water and does not breathe air. Fish have bones inside their bodies and scales on their skin. People catch fish for their meat. Tuna, shark, and salmon are kinds of fish. [1/2 definitions] |
| gargle |
to tip the head back and breathe out through a liquid held at the back of the throat. [1/2 definitions] |
| gasp |
to breathe in gasps; struggle for breath; pant. [1/3 definitions] |
| hiccup |
a sudden uncontrolled taking in of breath that is also stopped very quickly. A squeaking sound is often produced along with it. A hiccup is caused when the muscles used to breathe tighten up. [1/3 definitions] |
| huff |
to breathe hard; to blow or puff. [1/2 definitions] |
| hyperventilate |
to breathe more rapidly and deeply than normal. |
| inhale |
to breathe in. |
| inspire |
to breathe in. [1/7 definitions] |