| ECHIUM | • echium n. (Botany) Any member of the genus Echium of flowering plants. • Echium prop.n. A taxonomic genus within the family Boraginaceae – the buglosses and related species. • ECHIUM n. any plant of a genus that includes viper's bugloss. |
| ISCHIUM | • ischium n. (Anatomy) The lowest of the three bones that make up each side of the pelvis. • ISCHIUM n. (Latin) the ventral and posterior of the three principal bones composing either half of the pelvis. |
| LITHIUM | • lithium n. (Uncountable) The simplest alkali metal, the lightest solid element, and the third lightest chemical… • lithium n. (Countable) A single atom of this element. • lithium n. (Pharmacology, uncountable) Lithium carbonate or other preparations of lithium metal used to treat manic… |
| PYTHIUM | • Pythium prop.n. Alternative form of Pythion (ancient city). • Pythium prop.n. A taxonomic genus within the family Pythiaceae – certain parasitic oomycotes that cause root rot, especially… • PYTHIUM n. a fungus of the genus Pythium. |
| BRACHIUM | • brachium n. (Anatomy) The upper arm. • BRACHIUM n. (Latin) the upper arm; the segment of the fore limb between the shoulder and the elbow. |
| CYATHIUM | • cyathium n. One of the specialised pseudanthia ("false flowers"), surrounded by involucral bracts, especially those… • CYATHIUM n. (Latin) the characteristic inflorescence of the spurges. |
| GRAPHIUM | • graphium n. A stylus (for writing). • graphium n. A butterfly of the genus Graphium. • Graphium prop.n. A taxonomic genus within the family Papilionidae – many species of butterfly, many known as swordtails… |
| ONYCHIUM | • onychium n. A little claw. • ONYCHIUM n. a pad on an insect's foot. |
| SILPHIUM | • silphium n. (Historical) A plant, thought to be extinct, used in Ancient Greece and Ancient Rome in cooking and… • Silphium prop.n. A taxonomic genus within the family Asteraceae – rosinweed. • SILPHIUM n. (Latin) a plant imported by the Greeks from Cyrenaica and used as a foodstuff and in medicine. |
| BRONCHIUM | • bronchium n. (Anatomy, usually in the plural) A bronchial tube; a subdivision of the bronchus. • BRONCHIUM n. (Latin) a small branch of the windpipe. |
| EPONYCHIUM | • eponychium n. (Anatomy) The thickened layer of skin adjoining fingernails and toenails, particularly at the base of the nail. • eponychium n. (Zoology, veterinary medicine) The protective capsule that surrounds the hoof of foetuses and neonates… • EPONYCHIUM n. a narrow band of cuticle over the base of a nail. |
| HYPANTHIUM | • hypanthium n. (Botany) The bowl-shaped part of a flower on which the sepals, petals, and stamens are borne. • HYPANTHIUM n. a fruit consisting in large part of a receptacle, enlarged below the calyx, as in the rose hip and the pear. |
| PROMETHIUM | • promethium n. A metallic chemical element (symbol Pm) with an atomic number of 61. • PROMETHIUM n. a radioactive rare-earth element, also PROMETHEUM. |
| XENODOCHIUM | • xenodochium n. A room (or separate guesthouse) in a monastery for the temporary accommodation of guests or pilgrims. • XENODOCHIUM n. a building for the reception of strangers, e.g. a guesthouse in a monastery. |
| PERIONYCHIUM | • PERIONYCHIUM n. tissue surrounding a nail. |