mi·cro·or·gan·ism 
(mī′krō-ôrgə-nĭz′əm)
(mī′krō-ôrgə-nĭz′əm)n.
An organism or infectious agent of microscopic or submicroscopic size, especially a bacterium or protozoan.
- hierarchal
- hierarchic
- hierarchical
- hierarchically
- hierarchization
- hierarchize
- hierarchy
- hieratic
- hieratically
- hiero-
- hierocracy
- hierocratic
- hierocratical
- hierodule
- hierodulic
- hieroglyph
- hieroglyphic
- hieroglyphical
- hieroglyphically
- Hieroglyphic Luvian
- Hieroglyphic Luwian
- hierology
- Hieronymus
- hierophant
- hierophantic