Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| actinomycete | a filamentous microorganism like both bacteria and fungi. |
| actinomycetous | of or like an actinomycete, a filamentous microorganism like both bacteria and fungi. |
| aerobium | (Lat.) an aerobe. |
| aeroplankton | minute organisms carried in the air. |
| agamont | in protozoans, a mature trophozoite about to reproduce by schizogony. |
| ameba | (Lat.) a single-celled aquatic protozoan, characterized by a constantly changing shape. |
| ameban | relating to an ameba. |
| amebean | relating to an ameba. |
| amebic | relating to an amoeba. |
| amoeba | (Lat.) a single-celled aquatic protozoan, characterized by a constantly changing shape. |
| amoebaean | relating to an ameba. |
| amoeban | relating to an amoeba. |
| amoebic | relating to an amoeba. |
| amoeboid | resembling an amoeba; changing in shape like an amoeba. |
| animalcule | a small animal, as a fly, spider, etc. |
| animalculum | a microscopic animal. |
| archaea | an order of prokaryootic microorganisms. No -S. |
| archaeal | relating to the archaea, an order of prokaryootic microorganisms. |
| archaean | any member of the archaea, an order of prokaryootic microorganisms. |
| archaeon | relating to the archaea, an order of prokaryootic microorganisms. |
| archean | relating to the archaea, an order of prokaryootic microorganisms. |
| chlamydia | any microorganisms of the genus Chlamydia, resembling bacteria and viruses. |
| ciliate | possessing cilia (noun) a member of the Ciliata, a subclass of Protozoa |
| ciliately | (Adv.) CILIATE, possessing cilia. |
| coccidium | a parasitic protozoan of the order Coccidia. |
| coenocyte | a multinucleate unicellular organism in slime molds, fungi and algae. |
| coenocytic | of or like a coenocyte, a multinucleate unicellular organism in slime molds, fungi and algae. |
| crithidial | relating to the flagellate genus Crithidia. |
| cryptosporidium | any of a genus of protozoans parasitic in the gut of vertebrates including humans and sometimes causing diarrhea. |
| endameba | (Lat.) a parasitic amoeba. |
| endamebic | like an endameba, a parasitic amoeba. |
| endamoeba | (Lat.) a parasitic amoeba. |
| endamoebic | like an endamoeba, a parasitic amoeba. |
| endozoon | an internal parasite. |
| entameba | (Lat.) an amoeba that causes amoebic dysentery. |
| entamoeba | (Lat.) an amoeba that causes amoebic dysentery. |
| entoproct | any of a phylum of animals related to Bryozoans. |
| entozoan | an internal parasite. |
| entozoon | an internal parasite. |
| euglena | a photosynthesizing, motile protozoan. |
| euglenid | a photosynthesizing, motile protozoan. |
| euglenoid | any member of the Euglenia, a genus of aquatic unicellular organisms. |
| foram | one of the Rhizopoda, amoebae and rotarians moving and taking in food with pseudopods. |
| foraminifer | a unicellular microorganism with a calcareous shell through which pseudopods project. |
| foraminifera | an order of rhizopod protozoa. |
| foraminiferal | of or like a foraminifer. |
| gastrotrich | any minute aquatic multicellular animal of the phylum Gastrotricha. |
| giardia | a species of parasite. |
| gonococcal | relating to gonococci. |
| gonococcic | relating to gonococci. |
| gregarine | a member of the Gregarinida, a group of parasitic insects, molluscs and crustaceans. |
| gregarinian | of or like a gregarine. |
| haematozoon | any microorganism, esp a protozoan, that is parasitic in the blood. |
| heliozoan | related to the Heliozoa, sun-animalcules, an order of Protozoa; (noun) a member of the Heliozoa. |
| heliozoic | relating to the Heliozoa, sun-animalcules, an order of Protozoa. |
| hematozoon | a protozoan that is parasitic in the blood. |
| infusoria | a class of protozoa found in stagnant water. |
| infusorial | composed of or containing infusoria. |
| infusorian | an obsolete term for small aquatic organisms, rotifers, algae etc. |
| infusory | composed of or containing infusoria; (noun) an infusion. |
| leishmania | any protozoon of the genus Leishmania. |
| leishmanial | of or like leishmania, any protozoon of the genus Leishmania. |
| leptospire | any of a genus of slender aerobic spirochetes. |
| mastigophoran | any protozoan having one or more flagella. |
| mastigophore | any protozoan having one or more flagella. |
| mastigophoric | like a mastigophoran; whip-bearing. |
| mastigophorous | like a mastigophoran; whip-bearing. |
| merozoite | a young trophozoite resulting from the division of a schizont. |
| mesozoan | a type of parasite. |
| microbe | a minute life form. |
| microbial | of or like a microbe. |
| microbian | of or like a microbe. |
| microbic | of or like a microbe. |
| microbiome | the microscopic organisms, such as bacteria, which inhabit the human body in a symbiotic relationship. |
| microfilaria | the minute larval form of a filaria. |
| microfilarial | of or like a microfilaria. |
| moner | a hypothetical simplest protozoan, the organism on which Hackel's version of the evolution theory is based. |
| moneran | a hypothetical simplest protozoan, the organism on which Hackel's version of the evolution theory is based. |
| moneron | a hypothetical simplest protozoan, the organism on which Hackel's version of the evolution theory is based. |
| nanobe | a microbe that is smaller than the smallest known bacterium. |
| paramaecium | a microscopic unicellular ciliate protozoa. |
| paramecium | a genus of tiny animals including the slipper animalcule. |
| paramoecium | any freshwater protozoan of the genus Paramecium, having an oval body covered with cilia. |
| pneumocystis | any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia. |
| protist | one of the Protista, protozoans, algae, bacteria, and other forms not readily classified as plant or animal. |
| protistan | one of the Protista, protozoans, algae, bacteria, and other forms not readily classified as plant or animal. |
| protistic | of or like a protist. |
| protozoal | of or pertaining to the Protozoa. |
| protozoan | any member of the Protozoa. |
| protozoic | of or pertaining to the protozoa. |
| protozoon | any member of the Protozoa. |
| psammon | (Greek) a group of microorganisms living in waterlogged sand. |
| radiolarian | any member of an order of marine Protozoa, or unicellular animals, with fine radial tentacles for feeding and movement. |
| rhizopod | one of the Rhizopoda, amoebae and rotarians moving and taking in food with pseudopods. |
| rhizopodan | one of the Rhizopoda, amoebae and rotarians moving and taking in food with pseudopods. |
| rhizopodous | relating to a rhizopod. |
| rotifer | (Lat.) a microscopic, multicellular, fresh-water creature with rotating cilia at one end. |
| rotiferal | relating to a rotifer, a microscopic, multicellular, freshwater creature with rotating cilia at one end. |
| rotiferan | a rotifer. |
| rotiferous | relating to a rotifer, a microscopic, multicellular, freshwater creature with rotating cilia at one end. |
| sarcocystis | a sporozoan of the genus Sarcocystis, parasitic in muscles of mammals. |
| schizomycete | any microscopic organism of the class Schizomycetes. |
| schizomycetic | of or like a schizomycete, any microscopic organism of the class Schizomycetes. |
| schizomycetous | of or like a schizomycete, any microscopic organism of the class Schizomycetes. |
| schizont | in protozoans, a mature trophozoite about to reproduce by schizogony. |
| scyphistoma | the fixed polypoid stage in the life cycle of a scyphozoan, which reproduces asexually by budding or strobilation. |
| serotype | a group of related microorganisms related by their antigens; (verb) to assign to a particular serotype. |
| spirochaete | a slender, twisted, non-flagellated microorganism causing malaria, relapsing fever, yaws, and other maladies. |
| spirochete | a spirally coiled bacterium lacking a rigid cell wall, the cause of syphilis and other diseases. |
| sporozoal | related to sporozoa. |
| sporozoan | any parasitic protozoan of the class Sporozoa, including the causal organisms of malaria and pebrine. |
| sporozoic | related to sporozoa. |
| sporozoon | any parasitic protozoan of the class Sporozoa, including the causal organisms of malaria and pebrine. |
| streptomyces | any of a genus of mostly soil streptomycetes, including some that form antibiotics. |
| testacean | a microscopic animal with a hard shell. |
| tetrahymena | any of a genus of ciliate protozoans. |
| torula | (Lat.) a yeastlike microorganism. |
| trichomonad | any of various flagellate protozoans occurring in the digestive and urogenital tracts of vertebrates. |
| trichomonadal | of or like a trichomonad, a kind of flagellate protozoans. |
| trichomonal | of or like a trichomonad, a kind of flagellate protozoans. |
| vibracular | of or like a vibraculum, one of the movable, slender, spinelike organs or parts with which certain bryozoans are furnished. |
| vibraculoid | of or like a vibraculum, one of the movable, slender, spinelike organs or parts with which certain bryozoans are furnished. |
| vibraculum | (Lat.) one of the movable, slender, spinelike organs or parts with which certain bryozoans are furnished. |
| volvox | (Lat.) a genus of minute, pale-green, globular, organisms found rolling through water, the motion being produced by minute colorless cilia. |
| vorticella | a sessile protozoan of the genus Vorticella, which has a long contractile stalk and a ciliated body shaped like an inverted bell. |