n.
1.colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended
2.a green slightly translucent variety of chalcedony used as a gemstone
3.(physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors
Idiom of the Day
lose sight of (something)
to forget something, to fail to see something
"Don't lose sight of the reason that you are planning to take the class."