animalculum animalculous • animalhood · · · Info · Definitions · Synonyms · Characters · · animalculum · · Text Latin · · Script 11 · · Length 5 · · Syllables Definitions · · · (noun) microscopic organism such as an amoeba or paramecium. Synonyms: animalcule. · · Noun Definition 1 Synonyms · · · animalcule · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E u latin small letter u U+0075