Rh

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see also: RH

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Noun

1. (medicine) Abbreviation of Rhesus factor#English|Rhesus factor.

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RH

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Noun

Rh

1. Initialism of relative humidity
2. (music, knitting) Initialism of right hand
   • 2012, Stefanie Japel, Mom and Me Knits (page 13)

     Work wraps together with wrapped sts as you come to them, as follows: Insert RH ndl into wrap at base of wrapped st from beneath, then bring RH ndl up and into st on LH ndl, ready to work the st […]

3. Initialism of review#English|review hearing#English|hearing.
4. (US, army, aviation) prefix code for reconnaissance helicopter designations

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