Japanese edit

For pronunciation and definitions of はんすう – see the following entries.
半数
[noun] half the number of some whole
反芻
[noun] (of cows, etc...) rumination, regurgitation
[noun] (figurative) meditating on, pondering
[verb] to ruminate, to chew the cud
[verb] to meditate on, to think over
Alternative spelling
反すう
(This term, はんすう, is the hiragana spelling of the above terms.)

(The following entry is uncreated: 反数.)