| approach |
When something gets close to or nearly equal to something, we can say it approaches it. If the temperature is approaching one hundred degrees, for example, it means it is getting near one hundred degrees. It is almost equal to one hundred degrees now. [1/5 definitions] |
| average |
If the temperature in a certain area averages around 80 degrees in the summer, then around 80 degrees is the average temperature. Some days are hotter and some days are cooler, but 80 is the average. [1/5 definitions] |
| bake |
to cook using dry heat at a medium oven temperature. Things such as bread, cookies, and pies are baked. [1/3 definitions] |
| boil1 |
of a liquid, to produce bubbles of water vapor when heated to a high enough temperature. [1/5 definitions] |
| boiling point |
the temperature at which a liquid starts to boil. [1/2 definitions] |
| Cal.1 |
abbreviation of "large calorie," or "large calories"; the amount of energy needed to raise the temperature of one kilogram of water one degree Celsius. |
| Celsius |
relating to a temperature scale on which water freezes at zero degrees and boils at one hundred degrees; centigrade. (abbreviated: C) |
| chill |
a feeling of cold and shivering caused by lowered temperature. [1/6 definitions] |
| climate |
The climate of a place is the usual weather and temperature in that place. If where you live has a warm climate, it means that the weather is usually warm. Sometimes when people talk about "the climate," they mean the weather and temperature of the whole world. |
| climate change |
a major change in Earth's climate that is of current concern and which is associated with an increase in carbon dioxide and certain other gases in Earth's atmosphere. These gases contribute to the increasing temperature of the planet. [1/2 definitions] |
| cold |
having a body temperature below normal. [2/7 definitions] |
| cold-blooded |
having blood whose temperature changes with the temperature of the air or water. Animals such as fishes, snakes, and lizards are cold-blooded. [1/2 definitions] |
| condensation |
When a gas changes into a liquid, we call it condensation. Condensation happens when a gas cools to a certain temperature. |
| cool |
to lower in temperature; make less warm. [1/9 definitions] |
| degree |
a unit for measuring temperature. [1/4 definitions] |
| detector |
a device that finds or detects something, such as changes in temperature or pressure. |
| environment |
The environment of something is everything that exists around it. Your environment is everything that is around you in a place. The objects in a room, the amount of light, and the temperature are some things that make up the environment of a room. The environment of a place affects how you feel. [1/3 definitions] |
| extreme |
An extreme is the farthest or highest point of something. The temperature in the hot desert of California and the temperature at the South Pole are both extremes of temperature. One is very, very hot. The other is very, very cold. [1/6 definitions] |
| Fahrenheit |
relating to a temperature scale on which water freezes at 32 degrees and boils at 212 degrees. (abbreviated: F) |
| fever |
a body temperature higher than normal that is usually caused by illness. [1/2 definitions] |
| foam |
a lightweight, man-made material with many tiny air holes, used especially for packaging or for keeping things at a preferred temperature. [1/6 definitions] |