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One very common and important punctuation mark
( . ) looks like a small, dark circle. When this mark is
used with numbers, it's called a point. When it's used
in e-mail and WWW addresses, it's called a dot. In
other situations, it's called a period.
In American English, there are many common uses
for the period. One use is for abbreviations. Here are
some commonly used abbreviations for measurements:
bbl.
c.
doz.
fl. oz.
ft.
gal.
in.
lb.
mi.
min.
oz.
pt.
qt.
sec.
tbsp., T.
tsp., t.
yd.
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barrel (of oil, for example)
cup
dozen (12 eggs)
fluid (liquid) ounce
foot
gallon (of gasoline, milk, etc.)
inch
pound
mile
minute
ounce
pint
quart
second
tablespoon
teaspoon
yard
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Special Notes:
1.
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The abbreviations above are normally
used for both singular and plural forms:
1 bbl. / 100 bbl.
1 gal. / 10 gal.
1 min. / 45 min.
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2. |
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The abbreviation lb. (for pound) is from
Latin (librum). |
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3. |
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The symbol ' is also used for foot and the
symbol " is also used for inches:
12' 4" = 12 feet, four inches
3' 8" = three feet, eight inches
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4. |
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The symbol # is sometimes used for pound:
110# = 110 lb.
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5. |
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In the phrases mpg (miles per gallon) and
mph (miles per hour), periods are not used. |
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