| A2 |
abbreviation of "ampere" or "amperes," a unit of electrical current that refers to the quantity of current that passes through a resistor of one ohm when a potential of one volt is applied, equal to one coulomb per second. |
| A3 |
abbreviation of "angstrom" or "angstroms," a unit of length equal to one hundred-millionth of a centimeter, used in measuring light waves. |
| a1 |
one of the four human blood types. (See ABO system.) [1/6 definitions] |
| a2 |
any one of a group or kind. [3 definitions] |
| AB1 |
one of the four human blood groups. (See ABO system.) |
| abandon |
a state in which emotions or impulses control one completely. [1/6 definitions] |
| able |
having the skill, power, or opportunity that one must have to do a thing. [1/3 definitions] |
| aborigine |
one of the first people to live in an area. |
| abortionist |
one who performs abortions, esp. illegally. |
| abovementioned |
the one or ones previously mentioned. [1/2 definitions] |
| absent |
not present; away from where one usually is. |
| absentee |
of or pertaining to one who is absent. [1/2 definitions] |
| absent-minded |
tending to not pay attention to a task or event because one is thinking about other things. |
| absolutist |
one who regards certain ideas as being unconditionally true. [1/3 definitions] |
| absorption |
the state of having all of one's interest and attention taken up by one activity. [1/2 definitions] |
| abstention |
in parliamentary procedure, a declaration that one intends not to vote on a motion. [1/2 definitions] |
| abutter |
one whose land abuts another's. |
| academician |
one who belongs to an organization, such as an academy, that promotes learning. [2 definitions] |
| accent |
the stress a speaker gives to one syllable in a word. [1/5 definitions] |
| accident |
an event that happens by chance, especially a harmful one. [1/2 definitions] |
| accidental |
in music, a symbol that indicates that a note should be played or sung one or two semitones higher or lower than is otherwise indicated. In most cases, the pitch is to be raised or lowered by one half step, as from F natural to F sharp. [2/5 definitions] |