| Atlanta |
the capital of the U.S. state of Georgia. |
| Atlantic |
of or pertaining to the Atlantic Ocean. [2 definitions] |
| Atlantic Ocean |
an ocean bordered by Europe and Africa on the east and the Americas on the west; Atlantic. |
| atlas |
(cap.) in Greek mythology, a Titan condemned to support the heavens on his shoulders. [5 definitions] |
| Atlas Mountains |
a range of mountains in northwest Africa stretching across the southwestern part of Morocco and northern parts of Algeria and Tunisia. |
| at last |
after a long time or wait; finally. |
| at least |
at the lowest amount; not less than. [2 definitions] |
| at length |
for a long time; in great detail. [2 definitions] |
| at liberty |
free from bondage. [2 definitions] |
| at loose ends |
in an unsettled, uncertain, or confused state. [2 definitions] |
| ATM |
abbreviation of "automated teller machine," a computerized machine serving the function of a bank teller. |
| atmosphere |
the mass of gases surrounding the earth or any other celestial body. [3 definitions] |
| atmospheric |
of, pertaining to, or consisting of the mass of gases surrounding the earth. [2 definitions] |
| at odds |
not in agreement; out of harmony. |
| atoll |
a ring-shaped island or reef that surrounds a lagoon. |
| atom |
an invisible component of any element, consisting of protons, neutrons, and electrons, once considered the smallest possible unit of matter. [2 definitions] |
| atomic |
of or relating to atoms or to the use of atoms in creating energy. [3 definitions] |
| atomic bomb |
an extremely destructive weapon, the explosive power of which derives from the immense amount of energy suddenly released when the nuclei of uranium 235 or plutonium atoms are split; atom bomb. |
| atomic energy |
the energy that is released by an atom in nuclear reactions such as fission or fusion. [2 definitions] |
| at once |
at the same time. [2 definitions] |
| atone |
to make reparation for a sin, crime, error, or the like (usu. fol. by "for"). [2 definitions] |