Nidda or Niddah could refer to: *

Niddah A niddah (alternative forms: nidda, nida, or nidah; ''nidá''), in traditional Judaism, is a woman who has experienced a uterine discharge of blood (most commonly during menstruation), or a woman who has menstruated and not yet completed the ...

(from ''nidá''; alternative forms: Nidda, Nida, Nidah), a concept in Judaism, name for any woman during menstruation, or a woman who has menstruated and not yet completed the associated requirement of immersion in a mikveh (ritual bath) *

Niddah (Talmud) Niddah ( /ˈnɪd.ə/; ''Nid-ah''; Hebrew language, Hebrew: ) is a ''masekhet'' or tractate of the Mishnah and the Talmud, and is part of the order of Tohorot. The content of the tractate primarily deals with the legal provisions related to Halakha ...

, a tractate in the Mishna and Talmud, on the

Halakha ''Halakha'' ( ; , ), also Romanization of Hebrew, transliterated as ''halacha'', ''halakhah'', and ''halocho'' ( ), is the collective body of Judaism, Jewish religious laws that are derived from the Torah, Written and Oral Torah. ''Halakha'' is ...

of Niddah in the order of

Mishnah The Mishnah or the Mishna (; , from the verb ''šānā'', "to study and review", also "secondary") is the first written collection of the Jewish oral traditions that are known as the Oral Torah. Having been collected in the 3rd century CE, it is ...

Tohorot ''Tohorot'' () is the sixth and last order of the Mishnah (also of the Tosefta and Talmud). This order deals with the clean/unclean distinction and family purity. This is the longest of the orders in the Mishnah. There are 12 tractates: #'' Keili ...

''. *

Nidda, Hesse Nidda () is a town in the district Wetterau, in Hesse, Germany. It is situated on the Nidda river, approximately northeast of Frankfurt am Main. Division of the town The municipality consists of the districts Unter-Widdersheim, Ober-Widdershe ...

, a town in Germany * County of Nidda, medieval polity in Germany *

Nidda (river) The Nidda () is a right-bank tributary of the river Main in Hesse, Germany. It springs from the Vogelsberg on the Taufstein mountain range near the town of Schotten. It flows through the Niddastausee dam, and then through the towns of Nidda, ...

, a river in Germany * County of Nidda, a state of the Holy Roman Empire from 1104-1450

See also