| ab ovo |
(Latin) from the egg; from the beginning. |
| acro- |
end or beginning; extremity. [1/2 definitions] |
| ADHD |
abbreviation of "attention deficit hyperactivity disorder"; a mental disorder, usually beginning in childhood, characterized by impulsiveness and excessive activity. |
| Agnus Dei |
a prayer in the Roman Catholic or Anglican church beginning with these words, or the accompanying music. [1/2 definitions] |
| all along |
from the beginning; the whole time. |
| alpha and omega |
the beginning and the end; the greatest or most fundamental of all; the first and last. [1/2 definitions] |
| apheresis |
the dropping or omission of a letter, sound, or the like at the beginning of a word, as in "scuse" for "excuse". |
| aphesis |
the loss or dropping of an unstressed vowel at the beginning of a word, such as the "a" from "adobe". |
| apodosis |
in a conditional sentence, the clause that expresses the result or conclusion, sometimes beginning with "then". (Cf. protasis.) |
| appendix |
a short closed tube of tissue that projects from the pouch at the beginning of the large intestine in the lower right-hand side of the abdomen; vermiform appendix. [1/3 definitions] |
| area code |
the digits at the beginning of a telephone number that signify one of a country's telephone districts. [1/2 definitions] |
| as of |
beginning on; from. |
| at first |
in the beginning, or on the first occasion. |
| atomic |
of, relating to, or resulting from bombs whose explosive power comes from a series of reactions beginning with the fission of the nuclei of certain atoms. [1/3 definitions] |
| attack |
the vigorous beginning of an action. [1/9 definitions] |
| attention deficit disorder |
a behavioral disorder, usually beginning in childhood, characterized by inability to focus one's attention, impulsive behaviors, and, often, hyperactivity; attention deficit hyperactivity disorder (often abbreviated "ADHD"). |
| attention deficit hyperactivity disorder |
a behavioral disorder, usually beginning in childhood, characterized by inability to focus one's attention, impulsive behaviors, and, often, hyperactivity (often abbreviated as "ADHD"). |
| aught2 |
(pl.) the series of ten years beginning with 2000 and ending with 2009 (prec. by "the"). [1/2 definitions] |
| Aurora |
(l.c.) the dawn or beginning of something. [1/3 definitions] |
| bar1 |
a vertical line that marks the beginning or end of a measure of music, or the music between two such lines. [1/13 definitions] |
| beginner |
someone just beginning to acquire new knowledge or learn a new skill. |