Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| alga | (Lat.) a seaweed. |
| algal | of or like alga, any member of the algae, seaweeds. |
| algoid | of the nature of, or resembling, an alga. |
| algological | relating to algology, the study of algae. |
| algologically | (Adv.) ALGOLOGICAL, relating to algology, the study of ALGAE. |
| algology | the study of algae. |
| anabaena | (Greek) a kind of freshwater alga. |
| aplanetic | of algal spores, lacking a motile stage. |
| arame | (Japanese) a type of edible seaweed, looking like black bootlaces. |
| autospore | a nonmotile algal spore. |
| badderlock | an edible seaweed. |
| balderlocks | an edible seaweed. |
| bladderwort | a kind of seaweed. |
| bladderwrack | a common brown seaweed with air-bladders. |
| blanketweed | a rapidly spreading green filamentous alga that forms in ponds. |
| carageen | (Irish) a kind of dark red, branched seaweed, aka Irish moss. |
| carrageen | (Irish) a kind of dark red, branched seaweed, aka Irish moss. |
| carragheen | (Irish) a kind of dark red, branched seaweed, aka Irish moss. |
| chara | a genus of plantlike algae, having articulated stems and whorled branches, stoneworts etc. | chlorella | a member of the genus Chlorella of green freshwater algae. |
| chrysophyte | a type of golden-brown alga. |
| conferva | (Lat.) any of a large group of filamentous cryptogams, esp simple freshwater green algae. |
| conferval | relating to a conferva, any of a large group of filamentous cryptogams. |
| confervoid | relating the confervae, freshwater algae; (noun) a freshwater alga. |
| coralline | any of various red algae resembling coral. |
| coralloid | any of various red algae impregnated with calcium carbonate, esp any of the genus Corallina > CORALLOIDS. |
| cryoplankton | minute organisms, esp algae, living in ice, snow, or icy water. |
| cyanobacterium | a blue-green alga. |
| cyanophyte | a blue-green alga. |
| desmid | any member of a family of freshwater microscopic unicellular green algae. |
| desmidian | like a desmid, any member of a family of freshwater microscopic unicellular green algae. |
| diatom | a microscopic unicellular alga that has a rigid siliceous cell wall and occurs esp as plankton and as a fossil in diatomaceous earth. |
| didymo | a class of alga > DIDYMOS. |
| dulse | (Gaelic) an edible red seaweed. |
| floridean | any of a large subclass of red seaweeds. |
| fucoid | relating to seaweed; (noun) a seaweed of the genus Fucus. |
| fucoidal | relating to seaweed. |
| fucous | of or pertaining to fucoids, seaweeds of the genus Fucus. |
| fucus | (Lat.) a genus of seaweed, brown algae paint for the face |
| gulfweed | a large olive-brown seaweed. |
| heterocont | a kind of yellow-green alga. |
| heterokont | a kind of yellow-green alga. |
| heterokontan | of or like a heterokont, a kind of yellow-green alga. |
| isokont | a green alga, whose zoophores have equal cilia. |
| isokontan | any member of the Isokontae, the green algae, whose zoospores have equal cilia. |
| karengo | (Maori) an edible type of Pacific seaweed. |
| kelp | a type of seaweed (verb) to burn this |
| kilp | a type of seaweed. |
| kombu | (Japanese) a kind of Japanese seaweed. |
| konbu | (Japanese) a kind of Japanese seaweed. |
| laminaria | a genus of large seaweeds with long and broad fronds, aka tangle. |
| laminarian | a brown seaweed. |
| latu | an edible Asian seaweed, having small green berrylike capsules. |
| laver | an edible seaweed of various kinds, including ulva. |
| maerl | (Breton) calcified red seaweed; a mass of this. |
| microphyte | a very minute plant, one of certain unicellular algae, such as the germs of various infectious diseases are believed to be. |
| microphytic | of or like a microphyte. |
| nostoc | a blue-green alga. |
| nullipore | (Lat.) any of various red algae which secrete a crust of calcium carbonate. |
| oarweed | a kind of seaweed. |
| oreweed | a kind of seaweed. |
| procaryon | the nucleus of a blue-green alga, bacterium etc. |
| procaryote | a bacterium or blue-green algae whose nucleus lacks a limiting membrane. |
| prokaryon | the nucleus of a blue-green alga, bacterium etc. |
| prokaryot | a bacterium or blue-green algae whose nucleus lacks a limiting membrane. |
| prokaryote | a bacterium or blue-green algae whose nucleus lacks a limiting membrane. |
| protococcal | relating to the Protoccus genus of unicellular algae. |
| redware | an edible seaweed. |
| rockweed | any coarse seaweed growing on sea-washed rocks, esp Fucus. |
| sargasso | (Portuguese) a genus of algae including the gulfweed > SARGASSOS or SARGASSOES. |
| sargassum | (Lat.) a genus of algae including the gulfweed > SARGASSA or SARGASSUMS. |
| schizophyceous | of or belonging to the Schizophyceae, a group of bluish-green algae. |
| seabottle | a translucent inflated seaweed; bladderwrack. |
| seaware | seaweed, esp coarse seaweed. |
| seaweed | any large photosynthetic protist, including rhodophytes and kelps. |
| seaweedy | abounding in seaweed. |
| spirogyra | any of various minute green filamentous freshwater algae constituting the genus Spirogyra. |
| stonewort | any of vaious green alga of the genus Chara, aka stone parsley. |
| synura | (Lat.) any of a several species of green alga > SYNURAE. |
| tangleweed | a coarse seaweed. |
| ulva | (Lat.) a genus of thin papery bright green seaweeds including the kinds called sea lettuce. |
| unialgal | relating to a single-celled alga. |
| varec | a kind of seaweed, aka kelp. |
| varech | a kind of seaweed, aka kelp. |
| vraic | a kind of seaweed, aka kelp. |
| wakame | (Japanese) an edible seaweed that can be soaked and used as a salad vegetable. |
| wakane | (Japanese) an edible seaweed that can be soaked and used as a salad vegetable. |