| acey-deucy |
a form of backgammon that assigns a special value to a throw of a one or a two. |
| Achaea |
an historic region of Greece along the northern coast of the Peloponnesus. [2 definitions] |
| Achaean |
of or pertaining to Achaea, a historic region of Greece along the northern coast of the Peloponnesus. [3 definitions] |
| ache |
to produce or experience a dull, constant pain. [4 definitions] |
| achene |
a small, dry, hard seed that is attached at a single point and that does not split open when it is mature. |
| achieve |
to reach or carry through successfully; accomplish. [3 definitions] |
| achievement |
something successfully carried through, esp. through bold or brave action or thought. [2 definitions] |
| Achilles |
the hero of The Iliad, who is killed by an arrow in his heel, his only vulnerable spot. |
| Achilles heel |
any vulnerable or weak spot, part, or trait. |
| Achilles tendon |
the large tendon that connects the calf muscles to the back of the heel. |
| achromatic |
consisting of black, gray, or white; colorless. [3 definitions] |
| achromic |
lacking color; colorless. |
| achy |
feeling an ache or aches. |
| acid |
in chemistry, any of a group of substances that usu. dissolve in water, have a sour taste, and form salts in reaction with bases. (Cf. base.) [7 definitions] |
| acidic |
like acid in taste, smell, pungency, or the like; acid. [3 definitions] |
| acidification |
the process of becoming, or causing to become, acid. |
| acidify |
to make or change into acid. [2 definitions] |
| acidity |
the characteristic or state of being acid. [3 definitions] |
| acidosis |
an abnormally high acidity of body tissues and fluids. |
| acid rain |
rain that has high acidity because of being mixed with pollutants such as vehicle exhausts and residues from burning of fossil fuels for energy or from chemical manufacturing. |
| acid rock |
a form of music popular in the late 1960s and early 1970s that has loud, often distorted sounds and harmonies, and lyrics that suggest psychedelic experiences. |