Definition of coccus

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Coccus (n.) A form of bacteria, shaped like a globule..

Lern More About Coccus

Micrococcus :: Micrococcus (n.) A genus of Spherobacteria, in the form of very small globular or oval cells, forming, by transverse division, filaments, or chains of cells, or in some cases single organisms shaped like dumb-bells (Diplococcus), all without the power of motion. See Illust. of Ascoccus..
Scolex :: Scolex (n.) The embryo produced directly from the egg in a metagenetic series, especially the larva of a tapeworm or other parasitic worm. See Illust. of Echinococcus..
Grain :: Grain (n.) A reddish dye made from the coccus insect, or kermes; hence, a red color of any tint or hue, as crimson, scarlet, etc.; sometimes used by the poets as equivalent to Tyrian purple..
Pneumococcus :: Pneumococcus (n.) A form of micrococcus found in the sputum (and elsewhere) of persons suffering with pneumonia, and thought to be the cause of this disease..
Sarcina :: Sarcina (n.) A genus of bacteria found in various organic fluids, especially in those those of the stomach, associated with certain diseases. The individual organisms undergo division along two perpendicular partitions, so that multiplication takes place in two directions, giving groups of four cubical cells. Also used adjectively; as, a sarcina micrococcus; a sarcina group..
Spermococcus :: Spermococcus (n.) The nucleus of the sperm cell.
Cytococcus :: Cytococcus (n.) The nucleus of the cytula or parent cell.
Echinococcus :: Echinococcus (n.) A parasite of man and of many domestic and wild animals, forming compound cysts or tumors (called hydatid cysts) in various organs, but especially in the liver and lungs, which often cause death. It is the larval stage of the Taenia echinococcus, a small tapeworm peculiar to the dog..
Gonococcus :: Gonococcus (n.) A vegetable microorganism of the genus Micrococcus, occurring in the secretion in gonorrhea. It is believed by some to constitute the cause of this disease..
Cochineal :: Cochineal () A dyestuff consisting of the dried bodies of females of the Coccus cacti, an insect native in Mexico, Central America, etc., and found on several species of cactus, esp. Opuntia cochinellifera..
Kermes :: Kermes (n.) A small European evergreen oak (Quercus coccifera) on which the kermes insect (Coccus ilicis) feeds.
Kermes :: Kermes (n.) The dried bodies of the females of a scale insect (Coccus ilicis), allied to the cochineal insect, and found on several species of oak near the Mediterranean. They are round, about the size of a pea, contain coloring matter analogous to carmine, and are used in dyeing. They were anciently thought to be of a vegetable nature, and were used in medicine..
Ascococcus :: Ascococcus (n.) A form of micrococcus, found in putrid meat infusions, occurring in peculiar masses, each of which is inclosed in a hyaline capsule and contains a large number of spherical micrococci..
Diplococcus :: Diplococcus (n.) A form of micrococcus in which cocci are united in a binary manner. See Micrococcus.
Granilla :: Granilla (n.) Small grains or dust of cochineal or the coccus insect.
Erythrite :: Erythrite (n.) A colorless crystalline substance, C4H6.(OH)4, of a sweet, cooling taste, extracted from certain lichens, and obtained by the decomposition of erythrin; -- called also erythrol, erythroglucin, erythromannite, pseudorcin, cobalt bloom, and under the name phycite obtained from the alga Protococcus vulgaris. It is a tetrabasic alcohol, corresponding to glycol and glycerin..
Streptoneura :: Streptococcus (n.) A long or short chain of micrococci, more or less curved..
Ovococcus :: Ovococcus (n.) A germinal vesicle.
Hydatid :: Hydatid (n.) A membranous sac or bladder filled with a pellucid fluid, found in various parts of the bodies of animals, but unconnected with the tissues. It is usually formed by parasitic worms, esp. by larval tapeworms, as Echinococcus and Coenurus. See these words in the Vocabulary..
Bogberry :: Bogberry (n.) The small cranberry (Vaccinium oxycoccus), which grows in boggy places..
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