3 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Dephlegmation \De`phleg*ma"tion\, n. [Cf. F. d['e]flegmation.]
(Chem.)
The operation of separating water from spirits and acids, by
evaporation or repeated distillation; -- called also
{concentration}, especially when acids are the subject of it
[Obs.]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Concentration \Con`cen*tra"tion\, n. [Cf. F. concentration.]
1. The act or process of concentrating; the process of
becoming concentrated, or the state of being concentrated;
concentration.
Concentration of the lunar beams. --Boyle.
Intense concetration of thought. --Sir J.
Herschel.
2. The act or process of reducing the volume of a liquid, as
by evaporation.
The acid acquires a higher degree of concentration.
--Knight.
3. (Metal.) The act or process of removing the dress of ore
and of reducing the valuable part to smaller compass, as
by currents of air or water.
From WordNet r 1.6 [wn]:
concentration
n 1: the strength of a solution; number of molecules of a
substance in a given volume (expressed as moles/cubic
meter)
2: the spatial property of being crowded together [syn: {density},
{denseness}, {compactness}] [ant: {distribution}]
3: strengthening the concentration (as of a solute in a
mixture) by removing extraneous material [ant: {dilution}]
4: increase in density
5: complete attention; intense mental effort [syn: {engrossment},
{absorption}]
6: bringing together military forces
7: great diligence [syn: {assiduity}, {assiduousness}]
more about concentration
browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
or search
thesauri
dictionary
search words
|
Lake Atitlan, Guatemala
|
