Appendix 2 Abbreviations That May Be Used Without Definition in Table Headings*
Term
Abbreviation
Term
Abbreviation
Amount
amt
Specific activity
sp act
Approximately
approx
Specific gravity
sp gr
Average
avg
Standard deviation
SD
Concentration
concn
Standard error
SE
Diameter
diam
Standard error of the mean
SEM
Experiment
expt
Temperature
temp
Experimental
exptl
Versus
vs
Height
ht
Volume
vol
Molecular weight
mol wt
Week
wk
Number
no.
Weight
wt
Preparation
prepn
Year
yr
*Instructions to Authors, Journal of Bacteriology. In addition to the terms listed, abbreviations for units of measure are accepted without definition.
