| 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] |
| barnacle |
a small sea animal that attaches its shell to rocks, the bottom of ships, docks, and other objects in shallow parts of the ocean. Barnacles float freely in the ocean when they are young. They develop shells with sharp edges as adults. Barnacles are kinds of crustaceans. |
| biology |
Biology is the study of how living things grow and develop. |
| brew |
to develop or plan (sometimes followed by "up"). [2/4 definitions] |
| bruise |
to have or develop a physical bruise. [1/3 definitions] |
| build up |
to enlarge, strengthen, or develop in stages. [1/2 definitions] |
| condition |
to respond in a certain way to things; to develop a habit of. [1/7 definitions] |
| cultivate |
to help grow and develop. [1/3 definitions] |
| dawn |
to start to grow; begin to develop. [1/5 definitions] |
| develop |
When you develop something, you take what it is now and make it better or more complete. [3/5 definitions] |
| dumbbell |
a short bar with a heavy weight at each end. Dumbbells are used to develop muscles. |
| egg1 |
a cell in a female animal or in some kinds of plants that can develop into a new individual after it is fertilized. [1/2 definitions] |
| embryo |
an animal or plant that is just starting to develop. An embryo grows inside an egg, a seed, or its mother. |
| encourage |
If someone encourages your interest in something, they support your interest in it and try to help you go forward with it. If people encourage something, they support it and try to help it grow or develop. [1/4 definitions] |
| evolve |
to develop gradually; come into being. [2 definitions] |
| form |
to come into being; develop; arise. [1/8 definitions] |
| frost |
to develop or get a covering of frost or like frost. [1/5 definitions] |
| grow |
to come from or develop from. [1/5 definitions] |
| gymnastics |
(used with a plural verb) physical exercises used to develop and show strength, control, and agility. Gymnastics are often done with the aid of special equipment, such as bars and ropes. [1/2 definitions] |
| infrastructure |
all the basic systems that have been created in a country, especially through technology and engineering, that allow it to function well and develop. Roads are a very important part of a country's infrastructure. Without roads, it is difficult for people to travel and to work and to move products from one place to another. |
| inherit |
When you inherit a physical thing, like curly hair or brown eyes, you get it because someone in your family before you had it. Things like eye color, hair color, and type of hair come to you through one or both of your parents. People can also inherit physical things that cause them to develop certain diseases at some time in their life. [1/2 definitions] |