What is cross section area?

Answer 1

CROSS SECTION

Pronunciation (US):

Dictionary entry overview: What does cross section mean?

• CROSS SECTION (noun)

The noun CROSS SECTION has 3 senses:

1. a section created by a plane cutting a solid perpendicular to its longest axis

2. a sample meant to be representative of a whole population

3. (physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns

Familiarity information: CROSS SECTION used as a noun is uncommon.

Dictionary entry details

• CROSS SECTION (noun)

Sense 1 cross section [BACK TO TOP]

Meaning:

A section created by a plane cutting a solid perpendicular to its longest axis

Classified under:

Nouns denoting spatial position

Hypernyms ("cross section" is a kind of...):

plane section; section ((geometry) the area created by a plane cutting through a solid)

Hyponyms (each of the following is a kind of "cross section"):

profile (a vertical section of the Earth's crust showing the different horizons or layers)

Sense 2 cross section [BACK TO TOP]

Meaning:

A sample meant to be representative of a whole population

Classified under:

Nouns denoting cognitive processes and contents

Hypernyms ("cross section" is a kind of...):

sample (a small part of something intended as representative of the whole)

Domain category:

statistics (a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters)

Sense 3 cross section [BACK TO TOP]

Meaning:

(physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns

Classified under:

Nouns denoting attributes of people and objects

Hypernyms ("cross section" is a kind of...):

chance; probability (a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible)

Domain category:

atomic physics; nuclear physics; nucleonics (the branch of physics that studies the internal structure of atomic nuclei)

Answer 2

A typoe of research desing involving the collection of information from any given sample of population elements only ones.

Answer 3

If you take any object and then cut that object at any place perpendicular to longitudinal Axis cut surface visible to you now becomes the cross section of that object.