| adrenergic | (noun) drug that has the effects of epinephrine | Synonyms: adrenergic drug |
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| afterglow | (noun) the pleasure of remembering some pleasant event | - |
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| (noun) a glow sometimes seen in the sky after sunset | - |
| allergen | (noun) any substance that can cause an allergy | - |
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| allergist | (noun) a physician skilled in the diagnosis and treatment of allergies | - |
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| allergology | (noun) the branch of medical science that studies the causes and treatment of allergies | - |
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| allergy | (noun) hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity | Synonyms: allergic reaction |
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| ambergris | (noun) waxy substance secreted by the sperm whale and found floating at sea or washed ashore; used in perfume | - |
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| anergy | (noun) reduction or lack of an immune response to a specific antigen | - |
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| (noun) inactivity and lack of energy | - |
| anticholinergic | (noun) a substance that opposes or blocks the action of acetylcholine | Synonyms: anticholinergic drug |
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| aspergill | (noun) a short-handled device with a globe containing a sponge; used for sprinkling holy water | Synonyms: aspersorium |
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| aspergillosis | (noun) an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs | - |
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| (noun) disease especially in agricultural workers caused by inhalation of Aspergillus spores causing lumps in skin and ears and respiratory organs | - |
| (noun) severe respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys | Synonyms: brooder pneumonia |
| asynergia | (noun) absence of coordination of organs or body parts that usually work together harmoniously | Synonyms: asynergy |
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| asynergy | (noun) absence of coordination of organs or body parts that usually work together harmoniously | Synonyms: asynergia |
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| auberge | (noun) a hotel providing overnight lodging for travelers | Synonyms: hostel, hostelry, inn, lodge |
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| aubergine | (noun) egg-shaped vegetable having a shiny skin typically dark purple but occasionally white or yellow | Synonyms: eggplant, mad apple |
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| (noun) hairy upright herb native to southeastern Asia but widely cultivated for its large glossy edible fruit commonly used as a vegetable | Synonyms: brinjal, eggplant, eggplant bush, garden egg, mad apple, Solanum melongena |
| berg | (noun) a large mass of ice floating at sea; usually broken off of a polar glacier | Synonyms: iceberg |
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| bergall | (noun) common in north Atlantic coastal waters of the United States | Synonyms: cunner, Tautogolabrus adspersus |
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| bergamot | (noun) small tree with pear-shaped fruit whose oil is used in perfumery; Italy | Synonyms: bergamot orange, Citrus bergamia |
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| bergenia | (noun) any plant of the genus Bergenia; valued as an evergreen ground cover and for the spring blossoms | - |
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| clergy | (noun) in Christianity, clergymen collectively (as distinguished from the laity) | - |
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| clergyman | (noun) a member of the clergy and a spiritual leader of the Christian Church | Synonyms: man of the cloth, reverend |
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| concierge | (noun) a French caretaker of apartments or a hotel; lives on the premises and oversees people entering and leaving and handles mail and acts as janitor or porter | - |
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| convergence | (noun) the act of converging (coming closer) | Synonyms: convergency, converging |
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| (noun) the approach of an infinite series to a finite limit | Synonyms: convergency |
| (noun) a representation of common ground between theories or phenomena | Synonyms: intersection, overlap |
| (noun) the occurrence of two or more things coming together | - |
| convergency | (noun) the act of converging (coming closer) | Synonyms: convergence, converging |
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| (noun) the approach of an infinite series to a finite limit | Synonyms: convergence |
| converging | (noun) the act of converging (coming closer) | Synonyms: convergence, convergency |
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| counterglow | (noun) a faint spot of light in the night sky that appears directly opposite the position of the sun; a reflection of sunlight by micrometeoric material in space | Synonyms: gegenschein |
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| detergence | (noun) detergent quality; the quality of having cleansing power | Synonyms: detergency |
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| detergency | (noun) detergent quality; the quality of having cleansing power | Synonyms: detergence |
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| detergent | (noun) a cleansing agent that differs from soap but can also emulsify oils and hold dirt in suspension | - |
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| (noun) a surface-active chemical widely used in industry and laundering | - |
| divergence | (noun) the act of moving away in different direction from a common point | Synonyms: divergency |
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| (noun) a difference between conflicting facts or claims or opinions | Synonyms: disagreement, discrepancy, variance |
| (noun) an infinite series that has no limit | Synonyms: divergency |
| (noun) a variation that deviates from the standard or norm | Synonyms: departure, deviation, difference |
| divergency | (noun) the act of moving away in different direction from a common point | Synonyms: divergence |
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| (noun) an infinite series that has no limit | Synonyms: divergence |
| dyssynergia | (noun) inability to coordinate voluntary muscle movements; unsteady movements and staggering gait | Synonyms: ataxia, ataxy, motor ataxia |
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| emergence | (noun) the act of coming (or going) out; becoming apparent | Synonyms: egress, egression |
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| (noun) the act of emerging | Synonyms: emersion |
| (noun) the becoming visible | Synonyms: egress, issue |
| (noun) the gradual beginning or coming forth | Synonyms: growth, outgrowth |
| emergency | (noun) a brake operated by hand; usually operates by mechanical linkage | Synonyms: emergency brake, hand brake, parking brake |
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| (noun) a sudden unforeseen crisis (usually involving danger) that requires immediate action | Synonyms: exigency, pinch |
| (noun) a state in which martial law applies | - |
| energetism | (noun) the philosophical theory that energy is the substrate of all phenomena and that all observable changes can be interpreted as transformations of one kind of energy into another. | Synonyms: energetic monism |
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| energid | (noun) a biological unit consisting of a nucleus and the body of cytoplasm with which it interacts | Synonyms: protoplast |
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| energiser | (noun) a device that supplies electrical energy | Synonyms: energizer |
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| (noun) someone who imparts energy and vitality and spirit to other people | Synonyms: animator, energizer, vitaliser, vitalizer |
| energizer | (noun) a device that supplies electrical energy | Synonyms: energiser |
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| (noun) someone who imparts energy and vitality and spirit to other people | Synonyms: animator, energiser, vitaliser, vitalizer |
| energizing | (noun) the activity of causing to have energy and be active | Synonyms: activating, activation |
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| energy | (noun) forceful exertion | Synonyms: vigor, vigour, zip |
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| (noun) an imaginative lively style (especially style of writing) | Synonyms: muscularity, vigor, vigour, vim |
| (noun) enterprising or ambitious drive | Synonyms: get-up-and-go, push |
| (noun) (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs | Synonyms: free energy |
| (noun) any source of usable power | - |
| (noun) a healthy capacity for vigorous activity | Synonyms: vim, vitality |
| epergne | (noun) a large table centerpiece with branching holders for fruit or sweets or flowers | - |
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| erg | (noun) a cgs unit of work or energy; the work done by a force of one dyne acting over a distance of one centimeter | - |
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| ergocalciferol | (noun) a fat-soluble vitamin that prevents rickets | Synonyms: calciferol, cholecalciferol, D, viosterol, vitamin D |
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| ergodicity | (noun) an attribute of stochastic systems; generally, a system that tends in probability to a limiting form that is independent of the initial conditions | - |
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| ergometer | (noun) measuring instrument designed to measure power | Synonyms: dynamometer |
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| ergonomics | (noun) the branch of engineering science in which biological science is used to study the relation between workers and their environments | Synonyms: bioengineering, biotechnology |
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| ergonovine | (noun) an alkaloid derived from ergot (trade name Ergotrate Maleate) that is less toxic than ergot; induces muscular contraction of the uterus and is administered after childbirth or abortion | Synonyms: Ergotrate Maleate |
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| ergosterol | (noun) a plant sterol that is converted into vitamin D by ultraviolet radiation | - |
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| ergot | (noun) a fungus that infects various cereal plants forming compact black masses of branching filaments that replace many grains of the plant; source of medicinally important alkaloids and of lysergic acid | Synonyms: Claviceps purpurea |
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| (noun) a plant disease caused by the ergot fungus | - |
| ergotamine | (noun) an alkaloid derived from ergot that is less toxic than ergot; causes constriction of blood vessels and is used to treat migraine | - |
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| ergotine | (noun) a powerful astringent alkaloid extracted from ergot as a brown, amorphous, bitter substance, used to produce contraction of the uterus. | - |
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| ergotism | (noun) poisoning by ingestion of ergot-infected grain products; characterized by thirst and diarrhea and nausea and cramping and vomiting and abnormal cardiac rhythms; in severe cases it can cause seizures and gangrene of the limbs | - |
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| ergotropism | (noun) an affinity for work | - |
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| evergreen | (noun) a plant having foliage that persists and remains green throughout the year | Synonyms: evergreen plant |
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| fergusonite | (noun) a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals | - |
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| fiberglass | (noun) a covering material made of glass fibers in resins | Synonyms: fibreglass |
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| fothergilla | (noun) any of several deciduous low-growing shrubs of the genus Fothergilla having showy brushlike spikes of white flowers in spring and fiery red and orange autumn color; grows from Alabama to the Allegheny Mountains | Synonyms: witch alder |
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| habergeon | (noun) (Middle Ages) a light sleeveless coat of chain mail worn under the hauberk | - |
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| hyperglycaemia | (noun) abnormally high blood sugar usually associated with diabetes | Synonyms: hyperglycemia |
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| hyperglycemia | (noun) abnormally high blood sugar usually associated with diabetes | Synonyms: hyperglycaemia |
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| iceberg | (noun) lettuce with crisp tightly packed light-green leaves in a firm head | Synonyms: crisphead lettuce, iceberg lettuce |
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| (noun) a large mass of ice floating at sea; usually broken off of a polar glacier | Synonyms: berg |
| kindergarten | (noun) a preschool for children age 4 to 6 to prepare them for primary school | - |
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| kindergartener | (noun) a child who attends a preschool or kindergarten | Synonyms: kindergartner, preschooler |
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| kindergartner | (noun) a child who attends a preschool or kindergarten | Synonyms: kindergartener, preschooler |
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| lammergeier | (noun) the largest Eurasian bird of prey; having black feathers hanging around the bill | Synonyms: bearded vulture, Gypaetus barbatus, lammergeyer |
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| lammergeyer | (noun) the largest Eurasian bird of prey; having black feathers hanging around the bill | Synonyms: bearded vulture, Gypaetus barbatus, lammergeier |
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| latergram | (noun) a photo to be posted to Instagram at a later date | - |
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| merganser | (noun) large crested fish-eating diving duck having a slender hooked bill with serrated edges | Synonyms: fish duck, sawbill, sheldrake |
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| merger | (noun) the combination of two or more commercial companies | Synonyms: amalgamation, uniting |
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| (noun) an occurrence that involves the production of a union | Synonyms: fusion, unification |
| merging | (noun) a flowing together | Synonyms: confluence, conflux |
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| (noun) the act of joining together as one | Synonyms: coming together, meeting |
| nierembergia | (noun) any of various plants of the genus Nierembergia having upturned bell-shaped flowers | Synonyms: cupflower |
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| overgarment | (noun) a garment worn over other garments | Synonyms: outer garment |
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| overgrowth | (noun) a profusion of growth on or over something else | - |
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| (noun) excessive size; usually caused by excessive secretion of growth hormone from the pituitary gland | Synonyms: giantism, gigantism |
| pergola | (noun) a framework that supports climbing plants | Synonyms: arbor, arbour, bower |
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| peshmerga | (noun) a member of a Kurdish guerilla organization that fights for a free Kurdish state | - |
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| poltergeist | (noun) a ghost that announces its presence with rapping and the creation of disorder | - |
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| rydberg | (noun) a wave number characteristic of the wave spectrum of each element | Synonyms: rydberg constant, rydberg unit |
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| scattergood | (noun) someone who spends money prodigally | Synonyms: spend-all, spender, spendthrift |
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| scattergun | (noun) firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges | Synonyms: shotgun |
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| serge | (noun) a twilled woolen fabric | - |
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| sergeant | (noun) a lawman with the rank of sergeant | Synonyms: police sergeant |
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| (noun) any of several noncommissioned officer ranks in the Army or Air Force or Marines ranking above a corporal | - |
| (noun) an English barrister of the highest rank | Synonyms: sergeant-at-law, serjeant-at-law, serjeant |
| serger | (noun) a sewing machine that overcasts the raw edges of a fabric with a V-shaped stitch | - |
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| submergence | (noun) sinking until covered completely with water | Synonyms: immersion, submerging, submersion |
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| submerging | (noun) sinking until covered completely with water | Synonyms: immersion, submergence, submersion |
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| supergiant | (noun) an extremely bright star of very large diameter and low density | - |
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| supergrass | (noun) a police informer who implicates many people | Synonyms: grass |
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| synergism | (noun) the theological doctrine that salvation results from the interaction of human will and divine grace | - |
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| (noun) the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects | Synonyms: synergy |
| synergist | (noun) a drug that augments the activity of another drug | - |
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| synergy | (noun) the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects | Synonyms: synergism |
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| tendergreen | (noun) Asiatic plant cultivated for its swollen root crown and edible foliage | Synonyms: Brassica perviridis, Brassica rapa perviridis, spinach mustard |
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| tergiversation | (noun) falsification by means of vague or ambiguous language | Synonyms: equivocation |
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| (noun) the act of abandoning a party for cause | Synonyms: apostasy |
| tergiversator | (noun) a respondent who avoids giving a clear direct answer | Synonyms: equivocator, hedger |
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| theatergoer | (noun) someone who attends the theater | Synonyms: playgoer, theatregoer |
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| undergarment | (noun) a garment worn under other garments | Synonyms: unmentionable |
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| undergrad | (noun) a university student who has not yet received a first degree | Synonyms: undergraduate |
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| undergraduate | (noun) a university student who has not yet received a first degree | Synonyms: undergrad |
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| underground | (noun) an electric railway operating below the surface of the ground (usually in a city) | Synonyms: metro, subway, subway system, tube |
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| (noun) a secret group organized to overthrow a government or occupation force | Synonyms: resistance |
| undergrowth | (noun) the brush (small trees and bushes and ferns etc.) growing beneath taller trees in a wood or forest | Synonyms: underbrush, underwood |
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| verge | (noun) a grass border along a road | - |
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| (noun) the limit beyond which something happens or changes | Synonyms: brink |
| (noun) a ceremonial or emblematic staff | Synonyms: scepter, sceptre, wand |
| (noun) a region marking a boundary | Synonyms: brink, threshold |
| verger | (noun) a church officer who takes care of the interior of the building and acts as an attendant (carries the verge) during ceremonies | - |
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