axis |
a real or imaginary line through the center of an object, around which the object turns. [2 definitions] |
axle |
a bar or shaft on which a wheel or wheels turn. |
aye |
yes. [2 definitions] |
AZ |
abbreviation of "Arizona." |
azalea |
a shrub with dark green leaves and brightly colored flowers. |
Azerbaijan |
a country on the Caspian Sea between Iran and Russia. The capital of Azerbaijan is Baku. |
Aztec |
a member of an Indian people who had an advanced civilization in central Mexico before Spain conquered it in 1519. |
azure |
the color of a clear blue sky. [2 definitions] |
B |
symbol of the chemical element boron. |
b |
the second letter of the English alphabet. [3 definitions] |
Ba |
symbol of the chemical element barium. |
B.A. |
a college degree earned after four years of study. "B.A". is an abbreviation of "Bachelor of Arts." |
baa |
to make the sound of a sheep; bleat. [2 definitions] |
babble |
to speak without making sense. [5 definitions] |
babe |
a baby. |
baboon |
a large monkey that has a long snout like a dog's. Baboons live on the ground in large groups in Africa and Arabia. They can be powerful fighters. |
baby |
a very young girl or boy; infant. [6 definitions] |
baby boom |
the great increase in the population of the United States that took place between 1946 and 1960. |
babysit |
to take care of children while their parents are away. |
babysitter |
a person who takes care of children when their parents are not with them. |
baby tooth |
one of the first set of teeth in human babies and other mammals. Baby teeth fall out early in life to be replaced by adult teeth. |