Warning: mysql_numrows(): supplied argument is not a valid MySQL result resource in /home/kidsnetau/dictionary_content.txt on line 15

Dictionary

  Definition of Oort cloud
  1. (astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet''s orbit and may send it tumbling toward the sun
 
  Search Dictionary

Search the meaning/definition of over one hundred thousand words!
 
 
  
  Random Word
Pellaea means genus of chiefly small rock-loving ferns; in some classification systems it is placed in the family Polypodiaceae or Adiantaceae; ... more
 
  Find words starting with:
   
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