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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

object, physical object go
a tangible and visible entity

whole, unit go
an assemblage of parts that is regarded as a single entity

living thing, animate thing go
a living (or once living) entity

organism, being go
a living thing that has (or can develop) the ability to act or function independently

microorganism, micro-organism go
any organism of microscopic size

virus go
(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts

animal virus go
an animal pathogen that is a virus

picornavirus go
a group of single-strand RNA viruses with a protein coat

enterovirus
any of a group of picornaviruses that infect the gastrointestinal tract and can spread to other areas (especially the nervous system)

noun.animal

4 Subcategories

poliovirus go
the virus causing poliomyelitis
hepatitis A virus go
the virus causing hepatitis A
coxsackievirus, Coxsackie virus go
enterovirus causing a disease resembling poliomyelitis but without paralysis
echovirus go
any of a group of viruses associated with various diseases including viral meningitis and mild respiratory disorders and diarrhea in newborn infants