| CYSTOGRAPHIES | • cystographies n. Plural of cystography. • CYSTOGRAPHY n. radiography of the urinary bladder using a contrast medium. |
| HETEROZYGOSIS | • heterozygosis n. (Genetics) The fusion of two genetically different gametes. • HETEROZYGOSIS n. the mixed ancestry of heterozygotes. |
| HYDRARGYRISMS | • HYDRARGYRISM n. mercury poisoning, also HYDRARGYRIA. |
| HYPERALGESIAS | • hyperalgesias n. Plural of hyperalgesia. • HYPERALGESIA n. undue sensitiveness to pain. |
| HYPSOGRAPHIES | • HYPSOGRAPHY n. the branch of geography dealing with the measurement and mapping of heights above sea level. |
| HYSTEROGENIES | • HYSTEROGENY n. the generation of hysteria. |
| METHYSERGIDES | • METHYSERGIDE n. a serotonin used in the treatment and prevention of migraine headaches. |
| MYTHOLOGISERS | • mythologisers n. Plural of mythologiser. • MYTHOLOGISER n. one who mythologises, also MYTHOLOGIZER. |
| PHARYNGITISES | • PHARYNGITIS n. inflammation of the pharynx. |
| POLYGRAPHISTS | • polygraphists n. Plural of polygraphist. • POLYGRAPHIST n. one who operates a polygraph. |
| STRAIGHTAWAYS | • straightaways n. Plural of straightaway. • STRAIGHTAWAY n. five cards in sequence irrespective of suit. |
| STYLOGRAPHIES | • STYLOGRAPHY n. a mode of writing or engraving with a pen. |
| SUPERHIGHWAYS | • superhighways n. Plural of superhighway. • SUPERHIGHWAY n. a multilane highway (as an expressway or turnpike) designed for high-speed traffic. |
| SYNCHRONISING | • synchronising v. Present participle of synchronise. • SYNCHRONISE v. to cause to happen at the same time, also SYNCHRONIZE. |
| TYPOGRAPHISTS | • typographists n. Plural of typographist. • TYPOGRAPHIST n. one who does typography. |
| ZYGOMORPHISMS | • ZYGOMORPHISM n. the state of being zygomorphic, bilaterally symmetrical. |