### What does **f number** mean?

# Definitions for f number

f number

#### Here are all the possible meanings and translations of the word **f number**.

### Princeton's WordNet

the ratio of the focal length to the diameter of a (camera) lens system

### Freebase

F number is a number used in the chemistry of polycyclic aromatic hydrocarbons as a descriptor of their molecular size. It was proposed by R.J. Hurtubise et al in 1977.

### Matched Categories

### Numerology

The numerical value of f number in Chaldean Numerology is:

**5**The numerical value of f number in Pythagorean Numerology is:

**7**

### Examples of f number in a Sentence

This is a moving target and the number of farms affected continues to increase, we don't know what the ceiling will be.

As of today, almost 12,000 migrants have landed in Italy, about 2,000 more compared to the number of migrants that arrived in the same period last year.

For those that really follow TV, 33,000 minutes is two times the number of' Simpson's' shows that existed in the [ past ] 25 years.

The only reason they can see Connor Land is because Connor Land are on record as a voter, that number [ of young voters on the record as a voter ] has doubled compared to 2016 presidential campaign season, so that really added a huge pool of younger voters who were never visible to a lot of these groups.

I think it's another good argument for limiting screen time, because alcohol advertising is pervasive even among shows that may be watched by a large number of underage youth.