| chimpanzee |
a mammal that lives in African rain forests. Chimpanzees are in the group of primate mammals called apes. They are related to, but smaller than, gorillas. Chimpanzees are very intelligent and sometimes use tools to get food. |
| chinchilla |
a small mammal from the mountains of South America. Chinchillas are rodents closely related to guinea pigs. They have very soft fur and live in tunnels called burrows. Sometimes they are kept as pets. |
| chrysalis |
the hard outside covering on a moth or butterfly while it is a pupa, the stage before it becomes an adult with wings. Many kinds of moths and butterflies make a chrysalis instead of a cocoon. Chrysalis is also sometimes used as another name for the pupa itself. |
| clown |
to act as a clown or to try to get attention by acting silly (sometimes followed by "around"). [1/3 definitions] |
| cobalt |
a brittle silver-white metal that is one of the chemical elements. Cobalt is sometimes added to other metals in alloys to make them harder. It is also used in making some kinds of paint. (symbol: Co) |
| cockle |
a small animal with a soft body and a hard shell shaped like a heart. Cockles are mollusks with two hinged shells that open and close. They are kinds of clams. People sometimes eat cockles. |
| collar |
the part of a piece of clothing that goes around the neck. It is sometimes folded over. [1/3 definitions] |
| comet |
an object in space that travels around the sun. A comet is made up of dust and gas, and sometimes forms a long, bright tail. |
| communism |
(sometimes capitalized) a system of government in which all factories, farms, and natural resources are owned in common. |
| comply |
to do what is asked or demanded; act in agreement with a rule (sometimes followed by "with"). |
| concentrate |
to focus attention or thought (sometimes followed by "on"). [1/5 definitions] |
| constitution |
(sometimes capitalized) the written record of such a system. [1/3 definitions] |
| Covid-19 |
a serious, sometimes fatal, disease caused by a certain type of virus called a "coronavirus." This particular coronavirus broke out for the first time in 2019, and the disease spread all over the world in 2020. "Co" in Covid stands for "corona," "vi" stands for "virus," and "d" stands for "disease." The number 19 refers to the year 2019. The name "Covid-19" is oftened shortened to "Covid." |
| coyote |
a North American mammal that is closely related to dogs, foxes, and wolves. Coyotes have a pointed nose and ears and a bushy tail. They hunt small animals, and they also sometimes eat plants. |
| cramp1 |
(sometimes plural) a sharp pain in a muscle that suddenly becomes tight. [1/3 definitions] |
| crisp |
the British word for a very thin slice of potato that is fried in oil and seasoned with salt and sometimes other flavorings. "Crisp" has the same meaning as "potato chip." [1/4 definitions] |
| crown |
(sometimes capitalized) the government that a king or queen heads. [1/4 definitions] |
| cry |
to make a loud shout or yell (sometimes followed by "out"). [1/6 definitions] |
| curd |
(sometimes plural) a soft, thick substance taken from milk. Curds can be eaten or made into cheese. |
| curfew |
a rule or law that sets a time after which everyone must be off the street and inside for the night. Curfews sometimes apply only to a particular group, such as young people. |
| dandelion |
a common plant with bright yellow flowers and leaves with points along the edges. Dandelion leaves can be eaten raw or cooked as vegetables, and wine is sometimes made from the flowers. |