Definition of Rule of Three

1. Proper noun. (religion Wicca) The religious tenet held by some Wiccans stating whatever energy, positive or negative, a person puts into the world will be returned threefold. ¹

2. Proper noun. (mathematics education) If two ratios are equal, then the denominator of the second equals its numerator times the reciprocal of the first ratio: if \frac ab=\frac cd then d=\frac{bc}a. ¹

3. Proper noun. (medicine) A rule for clinical trials used for determining the rate of adverse side effects when no such side effects present during the course of the trial. ¹

4. Proper noun. (writing rhetoric) A rule which states that things which come in groups of three are inherently funnier or more effective than things which come in groups of other sizes. ¹

5. Proper noun. (religion Wicca) A religious tenet stating that whatever energy a person puts out into the world, be it positive or negative, will be returned to that person three times. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Rule Of Three

Ruger
Ruggles
Ruhemann's purple
Ruhmkorff coil
Ruhmkorff coils
Ruhnu
Ruholla Khomeini
Ruhr
Ruhr Area
Ruhr River
Ruhr Valley
Ruinism
Rukiga
Rule 63
Rule of Three (current term)
Rumania
Rumanian
Rumanians
Rumansh
Rumelia
Rumelian
Rumelians
Rumex
Rumex acetosa
Rumex acetosella
Rumex obtusifolius
Rumex scutatus
Rumohra

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