Cross Section (Noun)
Meaning 1
(physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns.
Classification
Nouns denoting attributes of people and objects.
Hypernyms
Meaning 2
A section created by a plane cutting a solid perpendicular to its longest axis.
Classification
Nouns denoting spatial position.
Examples
- A tree's growth rings can be studied in detail by examining the cross section of a log cut perpendicular to the trunk.
- By cutting the volcano perpendicular to its axis, scientists obtained a detailed cross section of its internal structure.
- A well-known landmark, the sandstone arch displays an intricate cross section of red rock that tells its geological story.
- Studying a tree stump's cross section provides a comprehensive record of annual climate and growth conditions over many decades.
- Careful observation of a dissected seashell reveals its distinctive spiral structure as revealed by a cutaway cross section of its entire shell.
Hypernyms
Related Words
Meaning 3
A sample meant to be representative of a whole population.
Classification
Nouns denoting cognitive processes and contents.