| angstrom | (noun) a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation | Synonyms: A, angstrom unit |
|---|
| carom | (noun) a shot in billiards in which the cue ball contacts one object ball and then the other | Synonyms: cannon |
|---|
| (noun) a glancing rebound | Synonyms: ricochet |
| maelstrom | (noun) a powerful circular current of water (usually the result of conflicting tides) | Synonyms: vortex, whirlpool |
|---|
| pogrom | (noun) organized persecution of an ethnic group (especially Jews) | - |
|---|
| prom | (noun) a formal ball held for a school class toward the end of the academic year | Synonyms: promenade |
|---|