| erythropoiesis | (noun) the process of producing red blood cells by the stem cells in the bone marrow | - |
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| erythropoietic | (adjective) of or relating to the formation of red blood cells | - |
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| erythropoietin | (noun) a glycoprotein secreted by the kidneys that stimulates the production of red blood cells | - |
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| escapologist | (noun) an entertainer who is expert in the art of escaping | Synonyms: escape expert |
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| escapology | (noun) the study of methods of escaping (especially as a form of entertainment) | - |
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| esports | (noun) electronic sports | - |
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| espousal | (noun) the act of accepting with approval; favorable reception | Synonyms: acceptance, acceptation, adoption |
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| (noun) archaic terms for a wedding or wedding feast | Synonyms: bridal |
| (noun) the act of becoming betrothed or engaged | Synonyms: betrothal |
| espouse | (verb) take up the cause, ideology, practice, method, of someone and use it as one's own | Synonyms: adopt, embrace, sweep up |
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| (verb) choose and follow; as of theories, ideas, policies, strategies or plans | Synonyms: adopt, follow |
| (verb) take in marriage; married | Synonyms: conjoin, get hitched with, get married, hook up with, marry, wed |
| euronithopod | (noun) widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon) | Synonyms: Euronithopoda, Ornithopoda, suborder Euronithopoda, suborder Ornithopoda |
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| eusporangiate | (adjective) (of ferns) having sporangia that arise from a group of epidermal cells | - |
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| eusporangium | (noun) a sporangium that arises from a group of epidermal cells | - |
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| evaporable | (adjective) (used of substances) capable of being volatilized | Synonyms: vaporific, vaporizable, vapourific, vapourisable, volatilisable, volatilizable |
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| evaporate | (verb) lose or cause to lose liquid by vaporization leaving a more concentrated residue | Synonyms: vaporise, vaporize |
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| (verb) change into a vapor | Synonyms: vaporise |
| (verb) cause to change into a vapor | Synonyms: vaporise |
| (verb) become less intense and fade away gradually | Synonyms: disappear, melt |
| evaporated | (adjective) drawn off in the form of vapor | - |
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| evaporation | (noun) the process of becoming a vapor | Synonyms: vapor, vaporisation, vaporization, vapour |
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| (noun) the process of extracting moisture | Synonyms: dehydration, desiccation, drying up |
| evaporative | (adjective) relating to or causing or being caused by evaporation | - |
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| evaporite | (noun) the sediment that is left after the evaporation of seawater | - |
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| evaporometer | (noun) an instrument that measures rate of evaporation of water | Synonyms: atmometer |
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| expo | (noun) a collection of things (goods or works of art etc.) for public display | Synonyms: exhibition, exposition |
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| exponent | (noun) a mathematical notation indicating the number of times a quantity is multiplied by itself | Synonyms: index, power |
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| (noun) a person who pleads for a cause or propounds an idea | Synonyms: advocate, advocator, proponent |
| (noun) someone who expounds and interprets or explains | - |
| exponential | (adjective) of or involving exponents | - |
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| (noun) a function in which an independent variable appears as an exponent | Synonyms: exponential function |
| exponentially | (adverb) in an exponential manner | - |
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| exponentiation | (noun) the process of raising a quantity to some assigned power | Synonyms: involution |
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| export | (noun) commodities (goods or services) sold to a foreign country | Synonyms: exportation |
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| (verb) cause to spread in another part of the world | - |
| (verb) sell or transfer abroad | - |
| (verb) transfer (electronic data) out of a database or document in a format that can be used by other programs | - |
| exportable | (adjective) suitable for export | - |
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| exportation | (noun) the commercial activity of selling and shipping goods to a foreign country | Synonyms: exporting |
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| (noun) commodities (goods or services) sold to a foreign country | Synonyms: export |
| exporter | (noun) a businessperson who transports goods abroad (for sale) | - |
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| exporting | (noun) the commercial activity of selling and shipping goods to a foreign country | Synonyms: exportation |
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| expose | (noun) the exposure of an impostor or a fraud | Synonyms: unmasking |
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| (verb) abandon by leaving out in the open air | - |
| (verb) expose while ridiculing; especially of pretentious or false claims and ideas | Synonyms: debunk |
| (verb) make known to the public information that was previously known only to a few people or that was meant to be kept a secret | Synonyms: break, bring out, disclose, discover, divulge, give away, let on, let out, reveal, uncover, unwrap |
| (verb) put in a dangerous, disadvantageous, or difficult position | Synonyms: endanger, peril, queer, scupper |
| (verb) remove all or part of one's clothes to show one's body | Synonyms: uncover |
| (verb) to show, make visible or apparent | Synonyms: display, exhibit |
| (verb) expose to light, of photographic film | - |
| (verb) expose or make accessible to some action or influence | - |
| (verb) reveal to view as by removing a cover | Synonyms: disclose, uncover |
| exposed | (adjective) not covered with clothing | Synonyms: uncovered |
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| (adjective) with no protection or shield | Synonyms: open |
| exposit | (verb) state | Synonyms: expound, set forth |
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| (verb) add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing | Synonyms: dilate, elaborate, enlarge, expand, expatiate, expound, flesh out, lucubrate |
| exposition | (noun) a systematic interpretation or explanation (usually written) of a specific topic | Synonyms: expounding |
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| (noun) an account that sets forth the meaning or intent of a writing or discourse | - |
| (noun) (music) the section of a movement (especially in sonata form) where the major musical themes first occur | - |
| (noun) a collection of things (goods or works of art etc.) for public display | Synonyms: exhibition, expo |
| expositive | (adjective) serving to expound or set forth | Synonyms: expository |
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| expositor | (noun) a person who explains | Synonyms: expounder |
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| expository | (adjective) serving to expound or set forth | Synonyms: expositive |
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| expostulate | (verb) reason with (somebody) for the purpose of dissuasion | - |
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| expostulation | (noun) the act of expressing earnest opposition or protest | Synonyms: objection, remonstrance, remonstration |
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| (noun) an exclamation of protest or remonstrance or reproof | - |
| exposure | (noun) abandoning without shelter or protection (as by leaving an infant out in the open) | - |
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| (noun) the act of exposing film to light | - |
| (noun) presentation to view in an open or public manner | - |
| (noun) the act of subjecting someone to an influencing experience | - |
| (noun) a representation of a person or scene in the form of a print or transparent slide or in digital format | Synonyms: photo, photograph, pic, picture |
| (noun) vulnerability to the elements; to the action of heat or cold or wind or rain | - |
| (noun) aspect resulting from the direction a building or window faces | - |
| (noun) the disclosure of something secret | - |
| (noun) the intensity of light falling on a photographic film or plate | - |
| (noun) the state of being vulnerable or exposed | Synonyms: vulnerability |
| expound | (verb) add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing | Synonyms: dilate, elaborate, enlarge, expand, expatiate, exposit, flesh out, lucubrate |
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| (verb) state | Synonyms: exposit, set forth |
| expounder | (noun) a person who explains | Synonyms: expositor |
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| expounding | (noun) a systematic interpretation or explanation (usually written) of a specific topic | Synonyms: exposition |
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| extemporaneous | (adjective) with little or no preparation or forethought | Synonyms: ad-lib, extemporary, extempore, impromptu, off-the-cuff, offhand, offhanded, unrehearsed |
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| extemporaneously | (adverb) without prior preparation | Synonyms: extemporarily, extempore |
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| extemporarily | (adverb) without prior preparation | Synonyms: extemporaneously, extempore |
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| extemporary | (adjective) with little or no preparation or forethought | Synonyms: ad-lib, extemporaneous, extempore, impromptu, off-the-cuff, offhand, offhanded, unrehearsed |
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| extempore | (adjective) with little or no preparation or forethought | Synonyms: ad-lib, extemporaneous, extemporary, impromptu, off-the-cuff, offhand, offhanded, unrehearsed |
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| (adverb) without prior preparation | Synonyms: extemporaneously, extemporarily |
| extemporisation | (noun) a performance given extempore without planning or preparation | Synonyms: extemporization, improvisation |
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| extemporise | (verb) perform without preparation | Synonyms: ad-lib, extemporize, improvise, improvize |
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| extemporization | (noun) a performance given extempore without planning or preparation | Synonyms: extemporisation, improvisation |
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| extemporize | (verb) perform without preparation | Synonyms: ad-lib, extemporise, improvise, improvize |
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| (verb) manage in a makeshift way; do with whatever is at hand | Synonyms: improvise |
| extrapolate | (verb) estimate the value of something based on known values | Synonyms: interpolate |
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| (verb) gain knowledge of (an area not known or experienced) by extrapolating | - |
| (verb) draw from specific cases for more general cases | Synonyms: generalise, generalize, infer |
| extrapolation | (noun) (mathematics) calculation of the value of a function outside the range of known values | - |
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| (noun) an inference about the future (or about some hypothetical situation) based on known facts and observations | - |
| eyespot | (noun) an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color | Synonyms: ocellus |
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| fingerpointing | (noun) the imputation of blame | Synonyms: finger-pointing |
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| fingerpost | (noun) a guidepost resembling a hand with a pointing index finger | Synonyms: fingerboard |
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| firepower | (noun) (military) the relative capacity for delivering fire on a target | - |
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| fishpond | (noun) a freshwater pond with fish | - |
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| fitspo | (noun) an image of promoting proper exercise and diet | - |
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| flagpole | (noun) a tall staff or pole on which a flag is raised | Synonyms: flagstaff |
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| (noun) surveying instrument consisting of a straight rod painted in bands of alternate red and white each one foot wide; used for sightings by surveyors | Synonyms: range pole, ranging pole |
| flashpoint | (noun) the lowest temperature at which the vapor of a combustible liquid can be ignited in air | Synonyms: flash point |
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| (noun) a place of political unrest and potential violence | Synonyms: hot spot, hotspot, trouble spot |
| (noun) point at which something is ready to blow up | Synonyms: flash point |
| flowerpot | (noun) a container in which plants are cultivated | Synonyms: pot |
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| fringepod | (noun) annual herb having pinnatifid basal leaves and slender racemes of small white flowers followed by one-seeded winged silicles | Synonyms: lacepod |
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| fusspot | (noun) thinks about unfortunate things that might happen | Synonyms: fuss-budget, worrier, worrywart |
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| gastropod | (noun) a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes | Synonyms: univalve |
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| gatepost | (noun) either of two posts that bound a gate | - |
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| geopolitical | (adjective) of or relating to geopolitics | - |
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| geopolitics | (noun) the study of the effects of economic geography on the powers of the state | - |
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| gnathopod | (noun) One of a set of three paired appendages on the thorax of a decapod crustacean, located just posterior to the maxillae and used in feeding. | Synonyms: maxilliped |
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| goalpost | (noun) one of a pair of posts (usually joined by a crossbar) that are set up as a goal at each end of a playing field | - |
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| guidepost | (noun) a rule or principle that provides guidance to appropriate behavior | Synonyms: guideline, rule of thumb |
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| (noun) a post bearing a sign that gives directions or shows the way | Synonyms: signpost |
| gunpoint | (noun) the gun muzzle's direction | Synonyms: point |
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| gunpowder | (noun) a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks | Synonyms: powder |
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| haematocolpometra | (noun) accumulation of blood in the vagina and uterus | Synonyms: hematocolpometra |
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| haematocolpos | (noun) accumulation of menstrual blood in the vagina (usually due to an imperforate hymen) | Synonyms: hematocolpos |
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| haematopoiesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haemogenesis, haemopoiesis, hematogenesis, hematopoiesis, hemogenesis, hemopoiesis, sanguification |
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| haematopoietic | (adjective) pertaining to the formation of blood or blood cells | Synonyms: haematogenic, haemopoietic, hematogenic, hematopoietic, hemopoietic |
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| haemopoiesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haematopoiesis, haemogenesis, hematogenesis, hematopoiesis, hemogenesis, hemopoiesis, sanguification |
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| haemopoietic | (adjective) pertaining to the formation of blood or blood cells | Synonyms: haematogenic, haematopoietic, hematogenic, hematopoietic, hemopoietic |
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| haemosporidian | (noun) minute protozoans parasitic at some stage of the life cycle in blood cells of vertebrates including many pathogens | - |
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| haplosporidian | (noun) parasite in invertebrates and lower vertebrates of no known economic importance | - |
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| harpoon | (noun) a spear with a shaft and barbed point for throwing; used for catching large fish or whales; a strong line is attached to it | - |
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| (verb) spear with a harpoon | - |
| harpooneer | (noun) someone who launches harpoons | Synonyms: harpooner |
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| harpooner | (noun) someone who launches harpoons | Synonyms: harpooneer |
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| heliport | (noun) an airport for helicopters | - |
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| hematocolpometra | (noun) accumulation of blood in the vagina and uterus | Synonyms: haematocolpometra |
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| hematocolpos | (noun) accumulation of menstrual blood in the vagina (usually due to an imperforate hymen) | Synonyms: haematocolpos |
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| hematopoiesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haematopoiesis, haemogenesis, haemopoiesis, hematogenesis, hemogenesis, hemopoiesis, sanguification |
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| hematopoietic | (adjective) pertaining to the formation of blood or blood cells | Synonyms: haematogenic, haematopoietic, haemopoietic, hematogenic, hemopoietic |
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| hemipode | (noun) small quail-like terrestrial bird of southern Eurasia and northern Africa that lacks a hind toe; classified with wading birds but inhabits grassy plains | Synonyms: bustard quail, button-quail, button quail |
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| hemopoiesis | (noun) the formation of blood cells in the living body (especially in the bone marrow) | Synonyms: haematogenesis, haematopoiesis, haemogenesis, haemopoiesis, hematogenesis, hematopoiesis, hemogenesis, sanguification |
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| hemopoietic | (adjective) pertaining to the formation of blood or blood cells | Synonyms: haematogenic, haematopoietic, haemopoietic, hematogenic, hematopoietic |
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| hereupon | (adverb) immediately after this | - |
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| heterosporous | (adjective) characterized by heterospory | - |
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| heterospory | (noun) the development of both microspores and megaspores | - |
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| hexapod | (noun) an animal having six feet | - |
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| hippo | (noun) massive thick-skinned herbivorous animal living in or around rivers of tropical Africa | Synonyms: hippopotamus, Hippopotamus amphibius, river horse |
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| hippoboscid | (noun) bloodsucking dipterous fly parasitic on birds and mammals | Synonyms: louse fly |
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| hippocampus | (noun) a complex neural structure (shaped like a sea horse) consisting of grey matter and located on the floor of each lateral ventricle; intimately involved in motivation and emotion as part of the limbic system; has a central role in the formation of memories | - |
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| hippodrome | (noun) a stadium for horse shows or horse races | - |
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| hippopotamus | (noun) massive thick-skinned herbivorous animal living in or around rivers of tropical Africa | Synonyms: hippo, Hippopotamus amphibius, river horse |
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