mR -abbr
- milliroentgen
Mr. ['mis-tər, in rapid speech esp in sense 2 (,)mis(t)] -n
- used as a conventional title of courtesy except when usage requires the substitution of a title of rank or an honorific or professional title before a man's surname
- used in direct address as a conventional title of respect before a man's title of office
- may I ask one more question, Mr. President
- used before the name of a place, profession, or activity or before an epithet (as clever ) to form a title applied to a male viewed as representative of the thing indicated
Mr. Charlie [-'chär-lē] -n
- a white man : white people
MRE -abbr
- meals ready to eat
MRI [,em-(,)är-'ī] -n
- magnetic resonance imaging
- the procedure in which magnetic resonance imaging is used
mri·dan·ga [mri-'däŋ-gə, ,mər-i-] -n
- a drum of India that is shaped like an elongated barrel and has tuned heads of different diameters
mRNA -abbr
- messenger RNA
Mr. Right -n
- a man who would make the perfect husband
Mrs. ['mi-səz, -səs, esp Southern 'mi-zəz, -zəs, or in rapid speech in sense 1 (,)miz, or before given names (,)mis] -n
- used as a conventional title of courtesy except when usage requires the substitution of a title of rank or an honorific or professional title before a married woman's surname
- used before the name of a place (as a country or city) or of a profession or activity (as a sport) or before some epithet (as clever ) to form a title applied to a married woman viewed or recognized as representative of the thing indicated
- wife
MRSA [,em-,är-,es-'ā, 'mər-sə] -n
- any of several strains of a bacterium ( Staphylococcus aureus) that are resistant to methicillin and related antibiotics (as penicillin) and may cause usu. mild infections of the skin or sometimes more severe infections (as of the blood or lungs) esp. in hospitalized or immunocompromised individuals
Mrs. Grun·dy [-'grən-dē] -n
- one marked by prudish conventionality in personal conduct