| BOYSIEST | • BOYSY adj. suited to or typical of boys or young men. |
| COPYISTS | • copyists n. Plural of copyist. • COPYIST n. one who makes copies. |
| CYSTOIDS | • cystoids n. Plural of cystoid. • CYSTOID n. a cyst-like structure, also CYSTID. |
| HYLOISTS | • hyloists n. Plural of hyloist. • HYLOIST n. one who holds the doctrine of hylism, materialism, also HYLICIST, HYLIST. |
| ISOHYETS | • isohyets n. Plural of isohyet. • ISOHYET n. a line on a map connecting points that receive equal amounts of rainfall, also ISOHYETAL. |
| ISOSTACY | • ISOSTACY n. the state of balance in the earth's crust, also ISOSTASY. |
| ISOSTASY | • isostasy n. (Geology) The state of balance or pressure equilibrium thought to exist within the Earth’s crust, whereby… • ISOSTASY n. the state of balance in the earth's crust, also ISOSTACY. |
| ISOTYPES | • isotypes n. Plural of isotype. • ISOTYPE n. in taxonomy, a duplicate of the holotype, a specimen made from the same collection as the holotype. |
| MYOSITIS | • myositis n. Inflammation of the muscles. • MYOSITIS n. muscular pain from infection. |
| MYOSOTIS | • myosotis n. Any plant of the genus Myosotis, the forget-me-nots. • Myosotis prop.n. A taxonomic genus within the family Boraginaceae – the forget-me-nots. • MYOSOTIS n. (Greek) a genus of flower, forget-me-not, also MYOSOTE. |
| PHYTOSIS | • phytosis n. (Pathology, dated) dermatophytosis. • PHYTOSIS n. a disease caused by vegetable parasites. |
| SEROSITY | • serosity n. The quality or state of being serous. • serosity n. (Biology) A thin watery animal fluid, such as synovial fluid or pericardial fluid. • SEROSITY n. the state of being serous, of or relating to serum. |
| STYLOIDS | • styloids n. Plural of styloid. • STYLOID n. a spiny process. |
| SYBOTISM | • SYBOTISM n. the study of swine herds. |
| SYMBIOTS | • SYMBIOT n. (Greek) an organism living in close association with another, also SYMBIONT, SYMBION, SYMBIOTE. |
| SYSTOLIC | • systolic adj. Pertaining to a systole or heart contraction. • systolic adj. (Computing) Relating to a systolic array. • systolic adj. (Mathematics) Relating to the mathematical concept of a systole. |
| THYLOSIS | • THYLOSIS n. an ingrowth from a neighbouring cell through a pit into a vessel, also THYLOSE, TYLOSIS. |
| TYLOSINS | • tylosins n. Plural of tylosin. • TYLOSIN n. an antibiotic. |