-
density and
dense usually refer to a
measure of how much of some
entity is
within a
fixed amount of space.
types of
density include:
- most
densely populated countries , + : with
population above 1
million , ! rank ! country/region !
population ! area (km 2) !
density (pop
- in
topology and
related areas of
mathematics , a
subset a of a
topological space x is
called dense (in x) if
every point x in x
either - less
dense fluids float on more
dense fluids if they do not mix. this
concept can be extended, with some care, to less
dense solids - in
mathematics , a
dense graph is a
graph in
which the
number of
edges is
close to the
maximal number of edges. the opposite, a
graph - in
mathematics , a
partial order ≤ on a set x is said to be
dense if, for all x and y in x for
which x \forall x\ \forall y\ xry\rightarrow
- by contrast, if a
larger number of
elements differ from zero, then it is
common to
refer to the
matrix as a
dense matrix. the
fraction of
- a
quantitative expression related to the
physical process of
absorption , a
discussion of the
process of
absorption itself ,
absorption - in
mathematics , a
subset a of a
topological space is said to be dense-in-itself if a
contains no
isolated point s.
every dense-in-itself
-
intensity (disambiguation. in
physics ,
intensity is the
power transferred per unit area . in the si system, it has
units watts per
metre 
