Abbreviations: Periods

Use only one period with an abbreviation of solid compounds.

NW. (northwest)

Omit periods with acronyms.

NATO

Omit periods with chemical symbols.

O (oxygen)

Omit periods with abbreviations of group names and licenses and certificates.

AIA (American Institute of Architects)

Omit periods with metric abbreviations.

6 mm

Omit periods with shortened word forms.

ad (advertisement)

Omit periods with letters used as letters or as words.

vitamin C R-30
piece A f/16

EXCEPTIONS:

M.B.A.
B.S. degree
Ph.D. (no spaces)
p.m.


 

Abbreviations
Capitalization
Company Names
Dates and Times
Degrees and Certifications
Periods
Plurals
Spaces

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