A Quick and Simple Dictionary

period

1. Adjective.  Appropriate for a given historical era.
2. Interjection.  (chiefly, North America) And nothing else; and nothing less; used for emphasis.
3. Noun.  (obsolete, medicine) The length of time for a disease to run its course. (defdate, 15th-19th c.) .
4. Noun.  An end or conclusion; the final point of a process etc. (defdate, from 16th c.) .
5. Noun.  A period of time in history seen as a single coherent entity; an epoch, era. (defdate, from 16th c.) .
6. Noun.  (rhetoric) A complete sentence, especially one expressing a single thought or making a balanced, rhythmic whole. (defdate, from 16th c.) .
7. Noun.  (context, now) The punctuation mark “'''.'''” (indicating the ending of a sentence or marking an abbreviation).
8. Noun.  A length of time. (defdate, from 17th c.) .
9. Noun.  The length of time during which the same characteristics of a periodic phenomenon recur, such as the repetition of a wave or the rotation of a planet. (defdate, from 17th c.) .
10. Noun.  (obsolete) A specific moment during a given process; a point, a stage. (defdate, 17th-19th c.) .
11. Noun.  Female menstruation. (defdate, from 18th c.) .
12. Noun.  A section of an artist's, writer's (etc.) career distinguished by a given quality, preoccupation etc. (defdate, from 19th c.) .
13. Noun.  Each of the divisions into which a school day is split, allocated to a given subject or activity. (defdate, from 19th c.) .
14. Noun.  (context, chiefly) Each of the intervals into which various sporting events are divided. (defdate, from 19th c.) .
15. Noun.  (chemistry) A row in the periodic table of the elements. (defdate, from 19th c.) .
16. Noun.  (genetics) A ''Drosophila'' gene which gene product is involved in regulation of the circadian rhythm.
17. Noun.  (music) two phrases (an antecedent and a consequent phrase).