| aeronaut | (noun) someone who operates an aircraft | Synonyms: aviator, flier, flyer |
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| aeronautics | (noun) the theory and practice of navigation through air or space | Synonyms: astronautics |
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| affectionateness | (noun) a quality proceeding from feelings of affection or love | Synonyms: fondness, lovingness, warmth |
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| (noun) a positive feeling of liking | Synonyms: affection, fondness, heart, philia, tenderness, warmheartedness, warmness |
| aficionado | (noun) a serious devotee of some particular music genre or musical performer | - |
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| (noun) a fan of bull fighting | - |
| alendronate | (noun) a tablet (trade name Fosamax) prescribed to prevent or treat osteoporosis in women after menopause | Synonyms: Fosamax |
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| alkylbenzenesulfonate | (noun) sulfonate of alkyl benzene | - |
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| ammonal | (noun) Ammonal is an explosive made up of ammonium nitrate and aluminum powder. | - |
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| antiphonal | (noun) bound collection of antiphons | Synonyms: antiphonary |
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| antiphonary | (noun) bound collection of antiphons | Synonyms: antiphonal |
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| archidiaconate | (noun) office or position of an archdeacon | - |
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| argonaut | (noun) someone engaged in a dangerous but potentially rewarding adventure | - |
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| assonance | (noun) the repetition of similar vowels in the stressed syllables of successive words | Synonyms: vowel rhyme |
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| astronaut | (noun) a person trained to travel in a spacecraft | Synonyms: cosmonaut, spaceman |
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| astronautics | (noun) the theory and practice of navigation through air or space | Synonyms: aeronautics |
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| astronavigation | (noun) navigating according to the positions of the stars | Synonyms: celestial navigation |
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| atonalism | (noun) the absence of a key; alternative to the diatonic system | Synonyms: atonality |
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| atonality | (noun) the absence of a key; alternative to the diatonic system | Synonyms: atonalism |
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| aztreonam | (noun) an antibiotic (trade name Azactam) used against severe infections; has minimal side effects | Synonyms: Azactam |
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| baronage | (noun) the peers of a kingdom considered as a group | Synonyms: peerage |
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| bicarbonate | (noun) a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate | Synonyms: hydrogen carbonate |
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| billionaire | (noun) a very rich person whose material wealth is valued at more than a billion dollars | - |
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| bonanza | (noun) a sudden happening that brings good fortune (as a sudden opportunity to make money) | Synonyms: boom, bunce, godsend, gold rush, gravy, manna from heaven, windfall |
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| (noun) an especially rich vein of precious ore | - |
| bonavist | (noun) perennial twining vine of Old World tropics having trifoliate leaves and racemes of fragrant purple pea-like flowers followed by maroon pods of edible seeds; grown as an ornamental and as a vegetable on the Indian subcontinent; sometimes placed in genus Dolichos | Synonyms: Dolichos lablab, Egyptian bean, hyacinth bean, Indian bean, Lablab purpureus |
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| cannonade | (noun) intense and continuous artillery fire | Synonyms: drumfire |
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| carbonado | (noun) a piece of meat (or fish) that has been scored and broiled | - |
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| (noun) an inferior dark diamond used in industry for drilling and polishing | Synonyms: black diamond |
| carbonara | (noun) sauce for pasta; contains eggs and bacon or ham and grated cheese | - |
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| carbonate | (noun) a salt or ester of carbonic acid (containing the anion CO3) | - |
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| carbonation | (noun) saturation with carbon dioxide (as soda water) | - |
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| carbonator | (noun) a device that carries out carbonation. | Synonyms: soda carbonator, soda maker |
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| chinchona | (noun) any of several trees of the genus Cinchona | Synonyms: cinchona |
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| cinchona | (noun) any of several trees of the genus Cinchona | Synonyms: chinchona |
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| (noun) medicinal bark of cinchona trees; source of quinine and quinidine | Synonyms: cinchona bark, Jesuit's bark, Peruvian bark |
| commissionaire | (noun) a uniformed doorman | - |
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| commonage | (noun) property held in common | - |
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| commonality | (noun) sharing of common attributes | Synonyms: commonness |
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| (noun) a class composed of persons lacking clerical or noble rank | Synonyms: commonalty, commons |
| commonalty | (noun) a class composed of persons lacking clerical or noble rank | Synonyms: commonality, commons |
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| companionability | (noun) suitability to be a companion | Synonyms: companionableness |
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| companionableness | (noun) suitability to be a companion | Synonyms: companionability |
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| compassionateness | (noun) a deep awareness of and sympathy for another's suffering | Synonyms: compassion |
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| conacaste | (noun) tropical South American tree having a wide-spreading crown of bipinnate leaves and coiled ear-shaped fruits; grown for shade and ornament as well as valuable timber | Synonyms: elephant's ear, Enterolobium cyclocarpa |
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| concessionaire | (noun) someone who holds or operates a concession | Synonyms: concessioner |
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| conditionality | (noun) the state of being conditional | - |
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| condonation | (noun) a pardon by treating the offender as if the offense had not occurred | - |
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| confectionary | (noun) a confectioner's shop | Synonyms: candy store, confectionery |
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| confessional | (noun) a booth where a priest sits to hear confessions | - |
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| consonance | (noun) the property of sounding harmonious | Synonyms: harmoniousness |
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| (noun) the repetition of consonants (or consonant patterns) especially at the ends of words | Synonyms: consonant rhyme |
| consonant | (noun) a speech sound that is not a vowel | - |
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| (noun) a letter of the alphabet standing for a spoken consonant | - |
| constitutional | (noun) a regular walk taken as a form of exercise | - |
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| constitutionalism | (noun) advocacy of a system of government according to constitutional principles | - |
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| (noun) a constitutional system of government (usually with a written constitution) | - |
| constitutionalist | (noun) an advocate of constitutional government | - |
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| conventionalisation | (noun) the act of conventionalizing; conforming to a conventional style | Synonyms: conventionalization |
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| conventionalism | (noun) orthodoxy as a consequence of being conventional | Synonyms: convention, conventionality |
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| conventionality | (noun) orthodoxy as a consequence of being conventional | Synonyms: convention, conventionalism |
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| (noun) unoriginality as a result of being too conventional | - |
| (noun) conformity with conventional thought and behavior | - |
| conventionalization | (noun) the act of conventionalizing; conforming to a conventional style | Synonyms: conventionalisation |
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| conversationalist | (noun) someone skilled at conversation | Synonyms: conversationist, schmoozer |
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| corona | (noun) a long cigar with blunt ends | - |
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| (noun) (anatomy) any structure that resembles a crown in shape | - |
| (noun) the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse | Synonyms: aureole |
| (noun) an electrical discharge accompanied by ionization of surrounding atmosphere | Synonyms: corona discharge, corposant, electric glow, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire |
| (noun) one or more circles of light seen around a luminous object | - |
| (noun) (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower | - |
| (noun) a viral disease caused by SARS-CoV-2 that caused a global pandemic in 2020 | Synonyms: 2019-nCoV acute respiratory disease, coronavirus, coronavirus disease 2019, COVID-19, novel coronavirus pneumonia, Wuhan coronavirus, Wuhan flu, Wuhan pneumonia, Wuhan virus |
| coronach | (noun) a song or hymn of mourning composed or performed as a memorial to a dead person | Synonyms: dirge, lament, requiem, threnody |
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| coronal | (noun) flower arrangement consisting of a circular band of foliage or flowers for ornamental purposes | Synonyms: chaplet, garland, lei, wreath |
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| coronary | (noun) obstruction of blood flow in a coronary artery by a blood clot (thrombus) | Synonyms: coronary thrombosis |
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| coronation | (noun) the ceremony of installing a new monarch | Synonyms: enthronement, enthronisation, enthronization, investiture |
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| coronavirus | (noun) a viral disease caused by SARS-CoV-2 that caused a global pandemic in 2020 | Synonyms: 2019-nCoV acute respiratory disease, corona, coronavirus disease 2019, COVID-19, novel coronavirus pneumonia, Wuhan coronavirus, Wuhan flu, Wuhan pneumonia, Wuhan virus |
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| cosmonaut | (noun) a person trained to travel in a spacecraft | Synonyms: astronaut, spaceman |
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| counterespionage | (noun) spying on the spies | - |
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| counterrevolutionary | (noun) a revolutionary whose aim is to reverse the changes introduced by an earlier revolution | Synonyms: counter-revolutionist, counterrevolutionist |
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| cryptomonad | (noun) common in fresh and salt water appearing along the shore as algal blooms | Synonyms: cryptophyte |
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| denationalisation | (noun) changing something from state to private ownership or control | Synonyms: denationalization, privatisation, privatization |
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| denationalization | (noun) changing something from state to private ownership or control | Synonyms: denationalisation, privatisation, privatization |
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| denominationalism | (noun) a narrow-minded adherence to a particular sect or party or denomination | Synonyms: sectarianism |
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| (noun) the tendency, in Protestantism, to separate into religious denominations or to advocate such separations | - |
| depersonalisation | (noun) representing a human being as a physical thing deprived of personal qualities or individuality | Synonyms: depersonalization, reification |
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| (noun) emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness | Synonyms: depersonalisation disorder, depersonalisation neurosis, depersonalization, depersonalization disorder, depersonalization neurosis |
| (noun) (existentialism) a loss of personal identity; a feeling of being an anonymous cog in an impersonal social machine | Synonyms: depersonalization |
| depersonalization | (noun) representing a human being as a physical thing deprived of personal qualities or individuality | Synonyms: depersonalisation, reification |
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| (noun) emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness | Synonyms: depersonalisation, depersonalisation disorder, depersonalisation neurosis, depersonalization disorder, depersonalization neurosis |
| (noun) (existentialism) a loss of personal identity; a feeling of being an anonymous cog in an impersonal social machine | Synonyms: depersonalisation |
| detonation | (noun) the act of detonating an explosive | - |
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| (noun) a violent release of energy caused by a chemical or nuclear reaction | Synonyms: blowup, explosion |
| detonator | (noun) a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive | Synonyms: cap, detonating device |
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| devotional | (noun) a short religious service | - |
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| diagonal | (noun) a punctuation mark (/) used to separate related items of information | Synonyms: separatrix, slash, solidus, stroke, virgule |
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| (noun) an oblique line of squares of the same color on a checkerboard | - |
| (noun) (mathematics) a set of entries in a square matrix running diagonally either from the upper left to lower right entry or running from the upper right to lower left entry | - |
| (noun) a line or cut across a fabric that is not at right angles to a side of the fabric | Synonyms: bias |
| (noun) (geometry) a straight line connecting any two vertices of a polygon that are not adjacent | - |
| diagonalisation | (noun) changing a square matrix to diagonal form (with all non-zero elements on the principal diagonal) | Synonyms: diagonalization |
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| diagonalization | (noun) changing a square matrix to diagonal form (with all non-zero elements on the principal diagonal) | Synonyms: diagonalisation |
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| dictionary | (noun) a reference book containing an alphabetical list of words with information about them | Synonyms: lexicon |
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| dimensionality | (noun) the spatial property of having dimensions | - |
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| directionality | (noun) the property of a microphone or antenna of being more sensitive in one direction than in another | Synonyms: directivity |
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| (noun) the property of being directional or maintaining a direction | - |
| dispassionateness | (noun) objectivity and detachment | Synonyms: dispassion, dryness |
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| dissonance | (noun) disagreeable sounds | - |
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| (noun) the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience | Synonyms: noise, racket |
| (noun) a conflict of people's opinions or actions or characters | Synonyms: disagreement, dissension |
| donation | (noun) act of giving in common with others for a common purpose especially to a charity | Synonyms: contribution |
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| (noun) a voluntary gift (as of money or service or ideas) made to some worthwhile cause | Synonyms: contribution |
| dronabinol | (noun) psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy | - |
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| dysfunctionality | (noun) The condition of functioning incorrectly or abnormally. | - |
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| educationalist | (noun) a specialist in the theory of education | Synonyms: educationist |
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| emotionalism | (noun) emotional nature or quality | Synonyms: emotionality |
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| emotionality | (noun) emotional nature or quality | Synonyms: emotionalism |
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| espionage | (noun) the systematic use of spies to get military or political secrets | - |
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| fashionableness | (noun) The state of being fashionable; stylishness; elegance. | - |
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| fictionalisation | (noun) writing in a fictional form | Synonyms: fabrication, fictionalization |
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| (noun) a literary work based partly or wholly on fact but written as if it were fiction | Synonyms: fictionalization |
| fictionalization | (noun) writing in a fictional form | Synonyms: fabrication, fictionalisation |
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| (noun) a literary work based partly or wholly on fact but written as if it were fiction | Synonyms: fictionalisation |
| fractionation | (noun) separation into portions | - |
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| (noun) a process that uses heat to separate a substance into its components | Synonyms: fractional process |
| functionalism | (noun) a psychology based on the assumption that all mental process are useful to an organism in adapting to the environment | - |
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| (noun) any doctrine that stresses utility or purpose | - |
| functionalist | (noun) an adherent of functionalism | - |
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| functionality | (noun) capable of serving a purpose well | - |
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| functionary | (noun) a worker who holds or is invested with an office | Synonyms: official |
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| gasconade | (noun) an instance of boastful talk | Synonyms: brag, bragging, crow, crowing, line-shooting, vaporing |
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| gonad | (noun) a gland in which gametes (sex cells) are produced | Synonyms: sex gland |
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| gonadotrophin | (noun) hormone secreted by the anterior pituitary gland and placenta; stimulates the gonads and controls reproductive activity | Synonyms: gonadotrophic hormone, gonadotropic hormone, gonadotropin |
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| gonadotropin | (noun) hormone secreted by the anterior pituitary gland and placenta; stimulates the gonads and controls reproductive activity | Synonyms: gonadotrophic hormone, gonadotrophin, gonadotropic hormone |
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| hypogonadism | (noun) incompetence of the gonads (especially in the male with low testosterone); results in deficient development of secondary sex characteristics and (in prepubertal males) a body with long legs and a short trunk | - |
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