| AECIDIUM | • aecidium n. The cupulate fruiting body borne upon the mycelium of certain fungi commonly parasitic upon specimens… • aecidium n. (Mycology) A member of the form genus Aecidium. • Aecidium prop.n. (Mycology) A taxonomic genus within the order Pucciniales, a form-genus name applied to a stage of development… |
| ALLODIUM | • allodium n. (Dated or historical) Freehold land or property; land held in allodial tenure, or one’s title to such land. • ALLODIUM n. (Latin) an estate held in absolute ownership, also ALLOD, ALOD, ALODIUM. |
| ASCIDIUM | • ascidium n. (Botany) A pitcher-shaped or flask-shaped organ or appendage of a plant. • ascidium n. (Zoology) One of the former genus Ascidium of simple ascidians, which included most of the known species;… • ASCIDIUM n. a pitcher-shaped, or flask-shaped, organ or appendage of a plant. |
| ASPIDIUM | • aspidium n. (Dated, countable) Synonym of dryopteris: a genus of ferns or a member of the genus, including the male fern. • aspidium n. (Dated, medicine, uncountable) A vermifuge prepared from the dried male fern. • ASPIDIUM n. (Greek) a type of fern. |
| BASIDIUM | • basidium n. (Mycology) A small structure, shaped like a club, found in the Basidiomycota division of fungi, that… • BASIDIUM n. (Greek) a fungal fructification from which spores are released. |
| CALADIUM | • caladium n. Any of the genus Caladium of flowering plants, especially an ornamental cultivar of Caladium bicolor. • Caladium prop.n. A taxonomic genus within the family Araceae – tuberous plants with colorful leaves, naive to the tropical… • CALADIUM n. (Malay) any tropical plant of the genus Caladium, of the arum family, the plants of which are grown for their attractive foliage. |
| CONIDIUM | • conidium n. (Mycology) A fungal spore produced asexually in a conidiophore. • CONIDIUM n. (Greek) a kind of reproductive cell found in certain fungi, and often containing zoospores. |
| DISODIUM | • disodium n. (Chemistry, in combination) two atoms of sodium in a compound. • DISODIUM adj. of a molecule, having two sodium atoms. |
| EXORDIUM | • exordium n. (Formal) A beginning. • exordium n. The introduction to an essay or discourse. • EXORDIUM n. (Latin) a beginning. |
| GONIDIUM | • gonidium n. (Lichenology, phycology) A photosynthetic algal cell in the thallus of a lichen; a similar asexual reproductive… • gonidium n. (Zoology) A special groove or furrow at one or both angles of the mouth of many Anthozoa. • GONIDIUM n. an algal cell in a lichen. |
| ONCIDIUM | • oncidium n. (Botany) Any of the genus Oncidium of tropical orchidaceous plants. • ONCIDIUM n. any of a genus of tropical orchidaceous plants. |
| PERIDIUM | • peridium n. (Mycology) The outer layer that covers the spore-bearing organ in many fungi. • PERIDIUM n. the outer coating of the spore carrier of a fungus. |
| PYGIDIUM | • pygidium n. (Zoology) The caudal plate of trilobites, crustacea, and certain insects. • PYGIDIUM n. in trilobites, the posterior division of the body, formed by fusion of the telson with one or more posterior pleurae. |
| PYXIDIUM | • pyxidium n. (Botany) A seed capsule in the form of a box, the seeds being released when the top splits off. • PYXIDIUM n. a capsule that opens by a transverse circular split. |
| RUBIDIUM | • rubidium n. The chemical element (symbol Rb) with an atomic number of 37. It is a soft, highly reactive alkali metal. • rubidium n. (Countable) A single atom of this element. • RUBIDIUM n. a metallic element. |
| SCANDIUM | • scandium n. A metallic chemical element, atomic number 21, obtained from some uranium ores; it is a transition element. • SCANDIUM n. a rare metallic element of the boron group. |
| SOREDIUM | • soredium n. (Lichenology) A common scalelike reproductive structure in lichens consisting of algal cells enveloped… • SOREDIUM n. (Greek) a reproductive body in lichens. |
| VANADIUM | • vanadium n. A chemical element (symbol V) with atomic number 23; it is a transition metal, used in the production… • vanadium n. (Countable) A single atom of this element. • VANADIUM n. a silvery metallic element. |
| VENIDIUM | • venidium n. A South African daisy of the genus Venidium or Arctotis. • VENIDIUM n. a plant native to South Africa with yellow or cream flowers, aka Cape Daisy. |