Derwent Abbreviations

Derwent abbreviates many commonly occurring words in titles and abstracts in Derwent Innovations Index. The following table is a list of abbreviations and their definitions.

Abbreviation	Definition
addn. or adds.	addition(s)
admin.	administration
amt. or amts.	amount(s)
appts.	apparatus
aq.	aqueous
atmos.	atmosphere
b.pt.	boiling point
coefft. or coeffts.	coefficient(s)
compsn. or compsns.	composition(s)
cpd. or cpds.	compound(s)
conc.	concentrated
concn. or concns.	concentration(s)
contg.	containing
corresp.	corresponding
deg.	degrees
deriv. or derivs.	derivative(s)
determn.	determination
dia.	diameter
dil	dilute
distn.	distillation
equiv. or equivs.	equivalent(s)
esp.	especially
evapn.	evaporation
extn.	extraction
e.g.	for example
mole or moles	gram molecule(s)
gp. or gps.	group(s)
insol.	insoluble
liq.	liquid
mfr.	manufacture
mfd.	manufactured
mfg.	manufacturing
max.	maximum
m.pt.	melting point
min.	minimum
mixt. or mixts.	mixture(s)
mol. or mols.	molecule(s)
obtd.	obtained
opt.	optionally
oxidn.	oxidation
partic.	particularly
pts.wt.	parts by weight
ppm.	parts per million
ppte. or pptes.	precipitate(s)
pptd.	precipitated
pptn	precipitation
pref.	preferably
prefd.	preferred
prepn.	preparation
prepd.	prepared
prim.	primary
prod. or prods.	product(s)
prodn.	production
purificn.	purification
quat.	quaternary
redn.	reduction
satd.	saturated
sec.	secondary
sepd.	separated
sepg.	separating
sepn.	separation
soln. or solns.	solution(s)
substit. or substits.	substituent(s)
substd.	substituted
temp. or temps.	temperature(s)
tert.	tertiary
i.e.	that is
vol.	volume
wt.	weight
w.r.t.	with respect to