What does Mf stand for?

Microfilariae

5-Methyltetrahydrofolate - Biochemistry (DAVI)

Fall River Public Library, Fall River, MA - Library symbol - Library of Congress (LCLS)

Le Maitre Phonetique - A publication (BJA)

MacAndrews & Forbes Co., Inc. (EFIS)

Machine Finish - Paper

Magazines for Friendship - An association (EA)

Magnetic Field

Magnetic Fluid - Physics

Magnetic Focus - of cathode-ray tube (DEN)

Magneto - or Magnetic Field Generators - JETDS Nomenclature - Military (CET)

Magnetomotive Force (KSC)

Mainboard Firmware

Main Feed - Technical drawings

Main Force - Military

Mainframe (TIMI)

Maintenance Facility (ACAE)

Maintenance Factor

Maintenance Float - Military

Maintenance Fuel

Maisonneuve Fracture - Medicine (MELL)

Major Facilitator - Biochemistry

Major Function (MCD)

Malassezia Furfur - Medicine (EDAA)

Malawi - NCIC country-territory code (NCIC)

Malaysia Fund - NYSE symbol

Malaysia Fund, Inc. - NYSE symbol (SPSG)

Male to Female - Ratio

Mali Franc - Monetary unit

Mallet Finger (MELL)

Mallet Fracture - Medicine (MELL)

MAM Aviation Ltd. - British - ICAO designator (ICDA)

Management Finding (SAUO)

Mandatory Frequency (DA)

Mandibular Foramen - Medicine (MELL)

Mantle Floor

Manufacture (WGA)

March Fracture - Medicine (MELL)

Mare Feccunditatis - Sea of Fertility - Lunar area

Mark Forward - Papers - British

Married Female - Classified advertising

Marshall Field & Co. (SAUO)

Martinus de Fano - Deceased circa 1275 - Authority cited in pre-1607 legal work (DSA)

Masculinity-Femininity (AEBS)

Massey-Ferguson GmbH (SAUO)

Massey-Ferguson, Inc. (EFIS)

Mass Fraction (ACAE)

Mass Fragmentography - Medicine (EDAA)

Massora Finalis (BJA)

Master Frame

Master of Finance

Master of Forestry

Master of Hounds - Equine term (TED)

Mastic Floor - Technical drawings

Matching Funds (OICC)

Mate and Ferry - NASA (NASA)

Material Factor

Maurice-Farman - British military (DMA)

Maximum Flowering Day - Botany

Mayo Foundation - Medicine (EDAA)

Mayotte - GeoNet country code (GEON)

Measurement Facility - Computer science (IBMDP)

Meat Free - Diet

Mechanical Flap - Aviation

Meclofenamate - Organic chemistry

Medal of Freedom - Military decoration

Media Filter

Media Forum (EA)

Mediation Function - Open Systems Interconnection (ODAA)

Medical Foundation - Australia

Mediterranean Fleet (SAUO)

Medium Frequency - Radio electronics

Megafarad - Medicine (EDAA)

Melamine-Formaldehyde - Plastics technology

Melomanes Francais - Record label - France

Membrane Filter

Menninger Foundation - Medicine (EDAA)

Merck Frosst Laboratories - Canada

Merthiolate-Formaldehyde - Solution

Message Format (ECII)

Metal Factor - Geophysical measurement

Metallic Film

Meter Fix (CTAS)

Methotrexate, Fluorourcil, Calcium Leucovorin Rescue - Antineoplastic drug (CDI)

Methoxyflurane - Medicine (EDAA)

Methyl Farnesoate - Organic chemistry

Methylformamide (ACAE)

Methyl Formate - Organic chemistry

Methylfuran - Organic chemistry

Mezzo Forte - Moderately Loud - Music (ROG)

Microfarad

Microfibril - Medicine (EDAA)

Microfiche - Sheet microfilm

Microfilament (MELL)

Microfilm

Microfiltration

Microflocculation - Biochemistry (DAVI)

Microform

Microscopic Factor

Midcavity Forcep - Medicine (DMAA)

Middeck Forward (MCD)

Middle Fork - AAR code

Middle French - Language, etc.

Middling Fair (IAA)

Mid Fuselage

Midfuselage (SAUS)

Mi Favor - My Favor - Spanish

Mike Force - Indigenous personnel trained and commanded jointly by US and Vietnamese forces, and used as a reaction and/or reinforcing unit

Milk Foundation - National Dairy Council (EA)

Millard Filmore - US president, 1800-1874

Miller-Fischer - Syndrome - Medicine (DB)

Mill Finish

Mill Fixture (MCD)

Millifarad (GPO)

Millipore Filter - Intravenous therapy (CPH)

Mind Freedom

Minister - or Ministry of Food - British

Ministry of Food (SAUO)

Miscellaneous Field Studies Map - United States Geological Survey (GIS)

Missile Failure (AAG)

Mitogenic Factor - Cytology

Mitomycin, Fluorouracil - Antineoplastic drug regimen

Mitotic Figure - Genetics

Mixed Flow (AAG)

Mobile Facility (MCD)

Modern Fiction

Modifying Factor - Toxicology

Modulated Frequency (SAUS)

Modulation Factor

Molecular Formula (NITA)

Mole Fraction - Chemistry

More Follows - Newspaper copy (DGA)

More Fragments

Morningstar Foundation (EA)

Morphogenetic Furrow - Cell differentiation

Morris Foundation - British (DBA)

Mossy Fiber - Neuroanatomy

Mother Fooler - Bowdlerized version

Motor Field

Motor Freight

Mound Facility (SAUO)

Mucosal Fluid (DB)

Multifactorial (DIPS)

Multifamily (PA)

Multifrequency - Telecommunications

Multi-Function (SAUO)

Multifunctional (MCD)

Multiple Feedback (MED)

Multiplying Factor - Microscopy

Munitions Facility (ACAE)

Muscle Feedback - Medicine (EDAA)

Muscle Fiber

Musicians Foundation (EA)

Mutation Frequency - Medicine (DMAA)

Mutual Fund - Business term

Mycosis Fungoides - Dermatology

Myelinated Fiber - Neuroanatomy

Myelin Figure - Medicine

Myelofibrosis - Medicine (DB)

Myocardial Fibrosis - Cardiology

Myofibrillar - Anatomy

Red Carpet Flying Service - ICAO designator (AD)

Royal Munster Fusiliers - Military unit (DMA)

SAAB-Scania AB - Sweden - ICAO aircraft manufacturer identifier (ICAO)

Spofa Ltd. - Czechoslovakia - Research code symbol

Mass Flow of Fuel - Aviation (DA)

Machine-Finish Paper (WDMC)

Mauritius - MARC country of publication code - Library of Congress (LCCP)

Medium Frequency (WDMC)

Mezzo Forte (NTIO)

Microfilaria (STED)

Mid-Frequency (IDOE)

Mill Finish - Construction term (MIST)

More Follows - Copyediting (WDMC)