aorta |
the main artery of the body. The aorta carries blood from the left side of the heart to all parts of the body except the lungs. |
Apache |
a member of a North American Indian people living mostly in the southwestern United States and northern Mexico. |
apart |
away from each other in time or space; at or to a distance; separated. [2 definitions] |
apartheid |
a policy of keeping people of different races separate and unequal in a society. |
apartment |
a room or set of rooms used as living space. |
apartment building |
a building in which there are a number of individual apartments. |
apathy |
lack of interest or feeling. |
apatosaur |
another name for brontosaur. This animal was also called apatosaurus. |
ape |
a mammal in the group of primates, which includes chimpanzees, gibbons, gorillas, and orangutans. Apes do not have tails. They have very flexible hands and feet. Apes range in size from three to six feet tall, and they can weigh up to 450 pounds. Apes live in the forests in Africa and Asia. [2 definitions] |
aperture |
a narrow opening. [2 definitions] |
apex |
the highest point; tip. |
aphid |
a small insect that eats by sucking the juices of plants. Aphids have soft bodies and move slowly. |
Aphrodite |
the goddess of love and beauty in Greek mythology. In Roman mythology, Aphrodite is called Venus. |
apiece |
for or from each one; each. |
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. |
apologetic |
expressing or wanting to express regret, as for an error or an offense. |
apologize |
to say that one is sorry. |
apology |
a statement that one is sorry for something. |
apostle |
(sometimes capitalized) one of the first twelve disciples of Jesus Christ. |
apostrophe1 |
a punctuation mark ('). It is used to show where one or more letters or numbers have been left out. "Wouldn't" for "would not" and "'87" for "1987" use apostrophes this way. [3 definitions] |
appal |
another spelling of appall. |