| AUXOSPORES | • auxospores n. Plural of auxospore. • AUXOSPORE n. a diatom cell before its siliceous wall is formed. |
| AUXOTROPHS | • auxotrophs n. Plural of auxotroph. • AUXOTROPH n. an auxotrophic strain or individual, i.e. one requiring a specific growth substance beyond the minimum required for normal metabolism. |
| AUXOTROPHY | • auxotrophy n. (Biology) The inability of a microorganism to synthesize an organic compound required for its growth… • AUXOTROPHY n. the state of being auxotrophic, requiring a specific growth substance beyond the minimum required for normal metabolism. |
| EXOSPORIUM | • exosporium n. (Botany) The outer layer of a pollen grain or spore; the exine. • EXOSPORIUM n. the outermost layer of spores of certain bacilli. |
| EXOSPOROUS | • exosporous adj. Relating to an exospore. • EXOSPOROUS adj. of or like an exospore, the extreme outer wall of a spore; the epispore. |
| EXPOSTURES | • EXPOSTURE n. (Shakespeare) exposure. |
| EXPOUNDERS | • expounders n. Plural of expounder. • EXPOUNDER n. one who expounds. |
| EXPURGATOR | • expurgator n. One who expurgates. • EXPURGATOR n. one who expurgates. |
| FOURPLEXES | • fourplexes n. Plural of fourplex. • FOURPLEX n. a building having four units, also QUADPLEX. |
| GROUNDPROX | • groundprox n. (Aviation, rare) A ground proximity warning system. • GROUNDPROX n. an altitude warning system in aircraft. |
| PARADOXURE | • paradoxure n. Any member of the species of genus Paradoxurus, Asiatic viverrine mammals allied to the civet. • PARADOXURE n. a civetlike animal of South Asia. |
| POXVIRUSES | • poxviruses n. Plural of poxvirus. • POXVIRUS n. any one of a group of DNA-containing animal viruses. |
| PROLIXIOUS | • prolixious adj. (Obsolete) dilatory; tedious; superfluous. • PROLIXIOUS adj. (Shakespeare) dilatory; tedious; superfluous. |
| REEXPOSURE | • reexposure n. A second or subsequent exposure. • REEXPOSURE n. a new exposure. |
| SCRUMPOXES | • SCRUMPOX n. (slang) rugby slang for impetigo spread by players' faces rubbing together in the scrum. |
| SUPEROXIDE | • superoxide n. (Chemistry) A peroxide. • superoxide n. (Chemistry) The univalent anion, O2-, obtained from molecular oxygen by adding an electron; any compound… • SUPEROXIDE n. a peroxide, an oxide with the highest proportion of oxygen. |
| UNEXPLORED | • unexplored adj. Which has not been explored. • UNEXPLORED adj. not explored. |
| XIPHOSURAN | • xiphosuran n. (Zoology) Any member of the order Xiphosura, including horseshoe crabs. • xiphosuran adj. (Zoology) Of or pertaining to the order Xiphosura. • XIPHOSURAN adj. belonging to the Xiphosura, an order of Arthropoda of which the only survivors are the king crabs. |