| APPROXIMEETING | • 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. | 
| COUNTEREXAMPLE | • counterexample n. (Logic) An example that counters a general rule; an exception to a general rule; a specific instance… • COUNTEREXAMPLE n. an example that refutes or disproves a proposition or theory. | 
| DEXAMETHASONES | • dexamethasones n. Plural of dexamethasone. • DEXAMETHASONE n. a synthetic glucocorticoid used esp. as an anti-inflammatory agent. | 
| EXCEPTIONALISM | • exceptionalism n. The state of being special, exceptional or unique. • exceptionalism n. The belief that something (A nation, species etc.) is exceptional, superior, or does not conform to… • exceptionalism n. A philosophy of prevention or of intervention. | 
| EXCOMMUNICATED | • excommunicated v. Simple past tense and past participle of excommunicate. • EXCOMMUNICATE v. to formally exclude someone from a group or community, esp. from a religious community. | 
| EXCOMMUNICATES | • excommunicates n. Plural of excommunicate. • excommunicates v. Third-person singular simple present indicative form of excommunicate. • EXCOMMUNICATE v. to formally exclude someone from a group or community, esp. from a religious community. | 
| EXTEMPORANEITY | • extemporaneity n. The degree or property of being extemporaneous. • EXTEMPORANEITY n. the state of being extemporaneous. | 
| EXTEMPORANEOUS | • extemporaneous adj. With inadequate preparation or without advance thought; offhand. • EXTEMPORANEOUS adj. unpremeditated; esp. of prayer, discourse, composition, etc., also EXTEMPORARY, EXTEMPORE. | 
| EXTENSIONALISM | • extensionalism n. (Philosophy) The belief in extensionality. • EXTENSIONALISM n. the state of being extensional. | 
| EXTERMINATIONS | • exterminations n. Plural of extermination. • EXTERMINATION n. the act of exterminating. | 
| EXTRAEMBRYONIC | • extraembryonic adj. (Medicine) Inside the womb, but outside the embryo. • EXTRAEMBRYONIC adj. situated outside the embryo. | 
| HEXAMETHONIUMS | • hexamethoniums n. Plural of hexamethonium. • HEXAMETHONIUM n. either of two compounds used as ganglionic blocking agents in the treatment of hypertension. | 
| METHOXYFLURANE | • methoxyflurane n. (Pharmaceutical drugs) An inhalational anaesthetic of the 1960s and early 1970s, now largely abandoned… • METHOXYFLURANE n. a potent general anaesthetic administered as a vapor. | 
| PNEUMOTHORAXES | • pneumothoraxes n. Plural of pneumothorax. • PNEUMOTHORAX n. accumulation of air or gas in the pleural cavity. | 
| REEXAMINATIONS | • reexaminations n. Plural of reexamination. • reëxaminations n. Plural of reëxamination. • re-examinations n. Plural of re-examination. | 
| SEROTAXONOMIES | • SEROTAXONOMY n. serological analysis as a source of information for taxonomic classification. |