| APPROXIMEETINGS | • APPROXIMEETING n. the practice of a group of people making indefinite plans to meet and then altering those plans regularly via mobile phones according to changing circumstances. | 
| COUNTEREXAMPLES | • counterexamples n. Plural of counterexample. • COUNTEREXAMPLE n. an example that refutes or disproves a proposition or theory.
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| DEXAMPHETAMINES | • DEXAMPHETAMINE n. the dextrorotatory isomer of amphetamine, used as a stimulant. | 
| EXCEPTIONALISMS | • exceptionalisms n. Plural of exceptionalism. • EXCEPTIONALISM n. the condition of being different from the norm.
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| EXPERIENTIALISM | • experientialism n. (Philosophy) The theory that experience is the source of knowledge. • EXPERIENTIALISM n. the doctrine that knowledge comes from experience.
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| EXPERIMENTALISE | • experimentalise v. Alternative form of experimentalize. • EXPERIMENTALISE v. to rely on experiment, also EXPERIMENTALIZE.
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| EXPERIMENTALISM | • experimentalism n. An experimental practice or tendency, especially in the arts. • experimentalism n. (Philosophy) An empirical or pragmatic approach which emphasizes the importance of experimentation.
 • EXPERIMENTALISM n. reliance on or advocacy of experimental or empirical principles and procedures.
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| EXPERIMENTALIST | • experimentalist n. One who performs experiments. • experimentalist n. A person who values the results of experiments over theory.
 • experimentalist n. A person who seeks or enjoys new experiences.
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| EXTEMPORARINESS | • extemporariness n. The quality of being extemporary. • EXTEMPORARINESS n. the state of being extemporary.
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| EXTEMPORISATION | • extemporisation n. (British spelling) Alternative spelling of extemporization. • EXTEMPORISATION n. the act of extemporising, also EXTEMPORIZATION.
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| IMPROVISATRIXES | • IMPROVISATRIX n. (archaic) a female improvisator, also IMPROVISATRICE. | 
| INTERPAROXYSMAL | • interparoxysmal adj. Between paroxysms. • INTERPAROXYSMAL adj. between paroxysms.
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| PROXIMATENESSES | • PROXIMATENESS n. the state of being proximate. |