Photographic Dictionary
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Letter
Category
Themes
Idioms
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
Animals
Plants
Nature
People
Food
Places
Measures
Words
Adjectives
Animals
People
Physical world
Words
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
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Lenore Edman
/
CC BY-SA
S
is for
Surface
A
surface
is a two-dimensional plane. The surface of a three-dimensional object is its
boundary
. The surface of the
ball
in the picture is covered in
stripes
. A two dimensional object like a
piece
of
paper
has two surfaces, one on each
side
.
Boundaries