| armor |
the protective covering of certain animals. [1/5 definitions] |
| arr.1 |
abbreviation of "arrival," the act of reaching a certain place or goal. |
| arrival |
the act of reaching a certain place or goal. [1/2 definitions] |
| arrive |
to reach a certain place or goal. [1/2 definitions] |
| arrowroot |
a starch made from the root of certain plants, including the arrowroot, and used to thicken sauces, puddings, and the like. [1/2 definitions] |
| aspirant |
a person who aspires, esp. to a certain position, rank, or the like. [1/2 definitions] |
| assay |
to be shown by chemical analysis to contain a certain proportion of. [1/8 definitions] |
| assumption |
(cap.) in the Catholic, Eastern Orthodox, and certain other Christian churches, the feast day that commemorates the Assumption of the Virgin Mary. Assumption is celebrated on August 15. [1/5 definitions] |
| assure |
to cause to feel certain or secure. [2/3 definitions] |
| -ate2 |
a salt or ester of any of certain acids. |
| 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] |
| atomic clock |
an extremely accurate timekeeping device regulated by the reliably constant frequency at which atoms of certain highly reactive substances absorb or emit electromagnetic radiation. |
| atopy |
a genetic tendency to develop allergic reactions that is typically associated with a heightened immune response to certain allergens. |
| autogamy |
in biology, self-fertilization by the reuniting of two nuclei that originated in the splitting of a single nucleus, as in certain protozoa, algae, and fungi. [1/2 definitions] |
| autosuggestion |
in psychology, a technique of changing one's own behavior or beliefs by repeating certain phrases or ideas to oneself. |
| Baal |
any of various local deities, usu. fertility gods, worshiped by certain ancient Semitic peoples. [1/2 definitions] |
| backspace |
to move a typewriter carriage or computer cursor back one or more spaces by pressing a certain key. [1/2 definitions] |
| baleen |
the bony, flexible strips in the upper jaws of certain whales. |
| bandwidth |
the range of radio frequencies required to transmit a certain type of signal. |
| barbel |
a slender, whiskerlike sensory organ on the heads of certain fishes, such as catfish. [1/2 definitions] |
| basilica |
a Roman Catholic church bestowed by the Pope with certain ceremonial rights. [1/2 definitions] |