| DIDYMIUM | • didymium n. A mixture of praseodymium and neodymium once thought to be an element (symbol Di). • Didymium prop.n. A taxonomic genus within the family Didymiaceae – certain slime molds. • DIDYMIUM n. a mixture of rare earth elements. |
| DIDYMIUMS | • DIDYMIUM n. a mixture of rare earth elements. |
| NEODYMIUM | • neodymium n. A chemical element (symbol Nd) with an atomic number of 60: a hard, slightly malleable silvery metal… • neodymium n. (Countable) A single atom of this element. • NEODYMIUM n. a rare metallic chemical element of the lanthanide series. |
| TRIDYMITE | • tridymite n. (Mineralogy) A rare mineral of volcanic rocks that solidified at a high temperature, with the chemical… • TRIDYMITE n. an orthorhombic form of silica, in hexagonal scales, often combined in threes. |
| EPIDIDYMIS | • epididymis n. (Anatomy) A narrow, tightly-coiled tube connecting the efferent ducts from the rear of each testicle… • EPIDIDYMIS n. a mass of sperm-carrying tubes at the back of the testis. |
| NEODYMIUMS | • neodymiums n. Plural of neodymium. • NEODYMIUM n. a rare metallic chemical element of the lanthanide series. |
| TRIDYMITES | • tridymites n. Plural of tridymite. • TRIDYMITE n. an orthorhombic form of silica, in hexagonal scales, often combined in threes. |
| TETRADYMITE | • tetradymite n. (Mineralogy) a grey mineral that is mostly a mixed sulfide of bismuth and tellurium. • TETRADYMITE n. bismuth ore. |
| EPIDIDYMIDES | • epididymides n. Plural of epididymis. • EPIDIDYMIS n. a mass of sperm-carrying tubes at the back of the testis. |
| EPIDIDYMITIS | • epididymitis n. (Pathology) inflammation of the epididymis. • EPIDIDYMITIS n. inflammation of an epididymis. |
| PRASEODYMIUM | • praseodymium n. A chemical element (symbol Pr) with an atomic number of 59, a soft, silvery, malleable and ductile metal… • PRASEODYMIUM n. a chemical element, a metal with green salts, isolated from the once-supposed element didymium. |
| TETRADYMITES | • tetradymites n. Plural of tetradymite. • TETRADYMITE n. bismuth ore. |
| PRASEODYMIUMS | • praseodymiums n. Plural of praseodymium. • PRASEODYMIUM n. a chemical element, a metal with green salts, isolated from the once-supposed element didymium. |
| EPIDIDYMITISES | • EPIDIDYMITIS n. inflammation of an epididymis. |