inoculum

As a letter s

is the letter s with a.

As a noun inoculum is

the active material used in an inoculation; an inoculant.

As a noun inoculum

is the active material used in an inoculation; an inoculant.

As a verb vaccine is

.

As nouns the difference between agent and inoculum

is that agent is agent (intermediary for certain services, such as for artistic performances or public relations) while inoculum is the active material used in an inoculation; an inoculant.

As a noun inoculum

is the active material used in an inoculation; an inoculant.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between inoculum and inoculums

is that inoculum is the active material used in an inoculation; an inoculant while inoculums is .

As nouns the difference between infection and inoculum

is that infection is (pathology) the act or process of infecting while inoculum is the active material used in an inoculation; an inoculant.

As nouns the difference between inoculum and inoculum

is that inoculum is the active material used in an inoculation; an inoculant while inoculum is the active material used in an inoculation; an inoculant.

As nouns the difference between inoculum and contaminant

is that inoculum is the active material used in an inoculation; an inoculant while contaminant is that which contaminates; an impurity; foreign matter.

As nouns the difference between inoculum and out

is that inoculum is the active material used in an inoculation; an inoculant while out is a means of exit, escape, reprieve, etc.

As an adverb out is

away from home or one's usual place, or not indoors.

As a preposition out is

away from the inside.

As a verb out is

to eject; to expel.

As an adjective out is

of a young lady, having entered society and available to be courted.