What's the difference between gour and rimstone?

Gour

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Definition:

• (n.) A fire worshiper; a Gheber or Gueber.
• (n.) See Koulan.

Example Sentences:

• (1) After 60 gours of incubation the aniline had disappeared and several metabolites could be detected by thin layer chromatographic analysis.
• (2) The animals were divided into 4 gours and sacrificed after 2, 3, 4, and 6 months.

Rimstone

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Definition:

Example Sentences: