| aglow |
shining with a soft light; glowing; bright. [1/2 definitions] |
| airy |
having a light, delicate look. [1/2 definitions] |
| alga |
"Alga" is the singular form of the word "algae." Algae are living things that live mainly in water and make their food by using light from the sun. Algae are similar to plants, but they are not usually considered to be plants because they are different in some ways. For example, algae don't have roots and leaves like plants do. Most forms of algae are very helpful for animals and people. Seaweed is a kind of algae, which many people eat and can also be used in making other things. Fish and other water animals use algae for food. |
| algae |
Algae are living things that live mainly in water and make their food by using light from the sun. Algae are similar to plants, but they are not usually considered to be plants because they are different in some ways. For example, algae don't have roots and leaves like plants do. Most forms of algae are very helpful for animals and people. Seaweed is a kind of algae, which many people eat and can also be used in making other things. Fish and other water animals use algae for food. "Algae" is a plural word. The singular form is "alga." |
| almond |
a light tan color like the inner part of the seed of the almond. [1/3 definitions] |
| aluminium |
the British word for "aluminum," a strong, light, silver metal that does not easily rust. |
| aluminum |
a strong, light, silver metal that does not easily rust. Aluminum is a chemical element. (symbol: Al) |
| aperture |
an opening that controls the amount of light that reaches the lens on a camera. [1/2 definitions] |
| Apollo |
the god of light, music, poetry, and healing in Greek and Roman mythology. Apollo was also the god of prophecy. People travelled to his shrine at Delphi to ask questions about future events. |
| apricot |
An apricot is a soft, round fruit with fuzzy skin. Its color is light orange, sometimes with a bit of pink in it. Apricots look similar to peaches, but they are smaller and taste a little different. Apricots are often made into jam. |
| aurora australis |
bands of light that appear in the skies at night near the South Pole; southern lights. |
| aurora borealis |
bands of light that appear in the skies at night near the North Pole; northern lights. |
| avocado |
An avocado is a fruit that grows in wet and warm places in North America and South America. The skin on the outside is green or almost black. Inside, the fruit is light green or yellow, and there is a large seed. Avocados are not sweet fruits, but many people like their taste. |
| balloon |
a small bag made of rubber or other strong, light material that can be filled with air, or a gas lighter than air, and used as a decoration or toy. [1/3 definitions] |
| balsa |
a tree of tropical America, whose wood is very light in weight. [1/2 definitions] |
| beach ball |
A beach ball is a kind of ball that children and adults can play with together. It is full of air and made of very light material, so it is easy to hit it and make it fly. The sides of the ball are made of plastic in different colors. People often play with a beach ball when they go to a beach for fun. |
| beacon |
a signal of light or radio waves that guides or warns ships or aircraft. |
| beam |
a narrow ray of light. [1/5 definitions] |
| beige |
Beige is a light color that is between white and light brown. It is often used to paint walls, or as a color for curtains and carpets. |
| beryllium |
a hard, light, gray substance that is one of the chemical elements. Beryllium is sometimes combined with other elements to form an alloy. It is also used in building rockets. (symbol: Be) |
| bicycle |
a light vehicle with two wheels, one behind the other, a small seat, and handlebars for steering. Pedals make the wheels move. [1/2 definitions] |