MRF

plural MRFs

1. abbreviationcountableinitialismuncountableInitialism of materials recovery facility (or materials reclamation facility, materials recycling facility, multi-reuse facility): a waste recycling plant.

   They pass through Walsall and on to neighbouring Aldridge where they visit a former foundry that was recently converted - "recycled", according to its owners - into the country's largest "materials recovery facility"(MRF, pronounced "merf").

   2009 February 26, Leo Hickman, “The truth about recycling”, in The Guardian

2. countableuncountableMetals retention factor.
3. countableuncountableMarkov random field
4. countableuncountableMyogenic regulatory transcription factors

   Myogenic regulatory transcription factors (MRFs) are essential for skeletal myogenesis during embryonic development and for proper muscle regeneration.

   2008 January 23, Sophie B Chargé, Andrew S Brack, with Stéphanie A Bayol and Simon M Hughes, “MyoD- and nerve-dependent maintenance of MyoD expression in mature muscle fibres acts through the DRR/PRR element”, in BMC Developmental Biology

1. IndiaabbreviationinitialismInitialism of Madras Rubber Factory.