| ARCHPRIESTHOODS | • archpriesthoods n. Plural of archpriesthood. • ARCHPRIESTHOOD n. the office of archpriest. |
| CHORDAMESODERMS | • CHORDAMESODERM n. the layer of specialized cells in the middle of a developing embryo which forms the notochord and structures of the central nervous system. |
| DRAUGHTSPERSONS | • draughtspersons n. Plural of draughtsperson. • DRAUGHTSPERSON n. a gender-neutral term for draughtsman or draughtswoman. |
| HARPSICHORDISTS | • harpsichordists n. Plural of harpsichordist. • HARPSICHORDIST n. one who plays the harpsichord. |
| HYDROTHERAPISTS | • hydrotherapists n. Plural of hydrotherapist. • HYDROTHERAPIST n. a practitioner of hydrotherapy. |
| PSEUDOARTHROSES | • pseudoarthroses n. Plural of pseudoarthrosis. • PSEUDOARTHROSIS n. a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united, also PSEUDARTHROSIS. |
| PSEUDOARTHROSIS | • pseudoarthrosis n. Alternative form of pseudarthrosis. • PSEUDOARTHROSIS n. a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united, also PSEUDARTHROSIS. |
| RADIOPHOSPHORUS | • radiophosphorus n. Radioactive phosphorus (especially when used as a tracer). • RADIOPHOSPHORUS n. a radioactive isotope of phosphorus. |
| RADIOTHERAPISTS | • radiotherapists n. Plural of radiotherapist. • RADIOTHERAPIST n. one who practises radiotherapy. |
| SHERARDISATIONS | • SHERARDISATION n. the process of sherardising, also SHERARDIZATION. |
| SHERARDIZATIONS | • SHERARDIZATION n. the process of sherardizing, also SHERARDISATION. |
| SPHAEROSIDERITE | • sphaerosiderite n. Alternative form of spherosiderite. • SPHAEROSIDERITE n. concretionary clay-ironstone. |
| TETARTOHEDRISMS | • tetartohedrisms n. Plural of tetartohedrism. • TETARTOHEDRISM n. the state of being tetartohedral, having one fourth the number of planes required by complete symmetry. |
| TRISOCTAHEDRONS | • trisoctahedrons n. Plural of trisoctahedron. • TRISOCTAHEDRON n. a solid figure having 24 congruent faces and an octahedron as a base. |