speed vs focal ratio
focal ratio vs speedspeed and focal ratio both are nouns.
speed is a verb but focal ratio is not a verb.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| speed | Yes | No | Yes | No |
| focal ratio | Yes | No | No | No |
As nouns,
speed and focal ratio
are synonyms defined as:
- speed and focal ratio: the ratio of the focal length to the diameter of a (camera) lens system
Other synonyms of speed include
f number, stop number.
| speed (noun) | focal ratio (noun) |
|---|---|
| changing location rapidly | the ratio of the focal length to the diameter of a (camera) lens system |
| a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression | |
| a rate (usually rapid) at which something happens | |
| the ratio of the focal length to the diameter of a (camera) lens system | |
| distance travelled per unit time |
| speed (verb) | focal ratio (verb) |
|---|---|
| move faster | |
| cause to move faster | |
| move very fast | |
| travel at an excessive or illegal velocity | |
| move hurridly |
Words related to "speed"
- Benzedrine
- Dexedrine
- Methedrine
- accelerate
- acceleration
- airspeed
- alter
- amphetamine
- amphetamine sulfate
- amphetamine sulphate
- angular velocity
- barge
- belt along
- bennie
- brisk
- brisk up
- brisken
- buck
- bucket along
- bustle
- bustle about
- c
- cannonball along
- chalk
- change
- charge
- chicken feed
- crank
- dart
- dash
- deceleration
- deepen
- deoxyephedrine
- dextroamphetamine sulphate
- drug of abuse
- escape velocity
- excitant
- execution speed
- f number
- fast
- fastness
- flash
- fleet
- flit
- flutter
- focal ratio
- glass
- go
- graduality
- gradualness
- groundspeed
- haste
- hasten
- hastiness
- hie
- hotfoot
- hurriedness
- hurry
- hurrying
- hustle
- hypervelocity
- ice
- intensify
- light speed
- locomote
- meth
- methamphetamine
- methamphetamine hydrochloride
- modify
- motion
- move
- movement
- muzzle velocity
- pace
- peculiar velocity
- pelt along
- pep pill
- precipitation
- push forward
- quicken
- quickening
- race
- radial velocity
- rate
- ratio
- relative speed
- relative velocity
- run
- rush
- rush along
- scoot
- scud
- scudding
- shabu
- shoot
- shoot down
- slow
- speed of light
- speed up
- speeder
- speeding
- speedup
- speedy
- stampede
- steerageway
- step on it
- stimulant
- stimulant drug
- stop number
- street drug
- swiftness
- tear
- terminal velocity
- thrust ahead
- trash
- travel
- travel rapidly
- upper
- velocity
- whizz
- whizz along
- zip
- zoom
- zoom along
Words related to "focal ratio"
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