injection

As nouns the difference between vaccinations and injection

is that vaccinations is while injection is injection.

As nouns the difference between injection and penetration

is that injection is the act of injecting, or something that is injected while penetration is the act of penetrating something.

As a letter w

is the twenty-third letter of the.

As a symbol w

is (label) symbol for tungsten.

As a noun injection is

injection.

As nouns the difference between injectable and injection

is that injectable is a drug which is designed to be injected while injection is the act of injecting, or something that is injected.

As an adjective injectable

is capable of being (or designed to be) injected.

As nouns the difference between injection and jet

is that injection is the act of injecting, or something that is injected while jet is a collimated stream, spurt or flow of liquid or gas from a pressurized container, an engine, etc.

As a verb jet is

to spray out of a container.

As an adjective jet is

propelled by turbine engines.

As a proper noun Jet is

a town in Oklahoma.

As nouns the difference between perfusion and injection

is that perfusion is the act of perfusing while injection is injection.

As nouns the difference between invasion and injection

is that invasion is invasion while injection is injection.

As nouns the difference between injection and vaccination

is that injection is injection while vaccination is inoculation with a vaccine, in order to protect from a particular disease or strain of disease.

As a noun injection is

injection.