| accumulation |
the act or process of accumulating; collection. [3 definitions] |
| accuracy |
the condition or quality of being accurate. |
| accurate |
free of mistakes or error. [2 definitions] |
| accurately |
with accuracy; correctly; precisely. |
| accusation |
an act of accusing. [2 definitions] |
| accuse |
to charge with a crime or wrongdoing. |
| accustom |
to cause (oneself or another) to become used to something through use or experience. habituate. |
| accustomed |
adapted to or in the habit of (usu. fol. by "to"). [2 definitions] |
| ace |
a playing card or die face that bears only one spot. [7 definitions] |
| ache |
to produce or experience a dull, constant pain. [4 definitions] |
| 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] |
| 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.) [6 definitions] |
| 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. |
| acknowledge |
to admit or recognize the truth, existence, fact, or validity of. [4 definitions] |
| acknowledgment |
the act of acknowledging, or the fact of being acknowledged. [2 definitions] |
| acne |
a skin disorder caused by inflammation of the oil glands, resulting in pimples, usu. on the face. |
| acorn |
the fruit of the oak tree, having a smooth, ovoid nut partially enclosed by a rough, cuplike base. |
| acoustic |
having to do with sound or the science of sound, or with the sensation and organs of hearing. [3 definitions] |
| acoustics |
(used with a sing. verb) the branch of science dealing with the physics of sound. [2 definitions] |
| acquaint |
to introduce, or to make familiar or accustomed to (usu. fol. by "with"). [2 definitions] |