| BREAKPOINTS | • breakpoints n. Plural of breakpoint. • break␣points n. Plural of break point. • BREAKPOINT n. a point at tennis that if won gives the player a service break. |
| COMPUTERNIK | • computernik n. (Informal, dated) A computer enthusiast. • COMPUTERNIK n. a computer enthusiast. |
| KINETOGRAPH | • kinetograph n. (Dated) A camera for making chronophotographs. • kinetograph n. (Dated) A machine for projecting chronophotographs upon a screen for the purpose of producing the effect… • KINETOGRAPH n. an early form of cinematograph camera. |
| KRYPTONITES | • KRYPTONITE n. something that renders a person or thing helpless. |
| PAINSTAKERS | • painstakers n. Plural of painstaker. • PAINSTAKER n. one who takes pains. |
| PENTAQUARKS | • pentaquarks n. Plural of pentaquark. • PENTAQUARK n. a hypothetical subatomic particle consisting of a group of five quarks (as compared to the usual three quarks). |
| PERSNICKETY | • persnickety adj. US standard form of pernickety. • PERSNICKETY adj. fussy about small details, also PERNICKETY. |
| PRINTMAKERS | • printmakers n. Plural of printmaker. • PRINTMAKER n. an artist who makes prints. |
| PROVOKEMENT | • provokement n. (Now rare) Provocation. • PROVOKEMENT n. (Spenser) provocation. |
| PYKNOMETERS | • pyknometers n. Plural of pyknometer. • PYKNOMETER n. an instrument for measuring specific gravity or density, also PYCNOMETER. |
| SERPENTLIKE | • serpentlike adj. Resembling or characteristic of a serpent; snakelike. • SERPENTLIKE adj. like a serpent. |
| SPIRKETTING | • spirketting n. Alternative form of spirketing. • SPIRKETTING n. deck planking near the bulwarks. |
| SUPERTANKER | • supertanker n. An extremely large tanker ship. • SUPERTANKER n. a very large tanker. |
| UPMARKETING | • upmarketing v. Present participle of upmarket. • UPMARKET v. to make more upmarket, higher in price or quality. |
| ZOOPLANKTER | • zooplankter n. Any organism that is a zooplankton. • ZOOPLANKTER n. a single zooplankton. |