Nouns with 27 letters (230)



  • oesophagogastroduodenoscopy
  • ethylenediaminetetraacetate
  • electromagnetic interaction
  • double replacement reaction
  • gross vehicle weight rating
  • phosphoribosylpyrophosphate
  • glucocorticosteroidogenesis
  • old head on young shoulders
  • phosphate acetyltransferase
  • electromagnetohydrodynamics
  • memorandum of understanding
  • non-stoichiometric compound
  • measure of central tendency
  • discretionary fiscal policy
  • best thing since sliced pan
  • visual programming language
  • prebiotic organic synthesis
  • negative side waterproofing
  • small icosihemidodecahedron
  • deoxynucleotidyltransferase
  • field applications engineer
  • message-driven architecture
  • entity relationship diagram
  • message-oriented middleware
  • bephenium hydroxynaphthoate
  • pantropical spotted dolphin
  • entity-relationship diagram
  • brother from another mother
  • head cook and bottle washer
  • head cook and bottle-washer
  • Atlantic Coast leopard frog
  • Rayleigh-Taylor instability
  • community psychiatric nurse
  • righteous among the nations
  • Kendrick Extrication Device
  • dimethylaminocinnamaldehyde
  • more life in a tramp's vest
  • Beckwith-Wiedemann syndrome
  • Pearson's long-clawed shrew
  • neutron activation analysis
  • public service announcement
  • photographic interpretation
  • great icosihemidodecahedron
  • Hashimoto-Pritzker syndrome
  • lazy initialisation pattern
  • simultaneous interpretation
  • barium copper tetrasilicate
  • fruit of the poisonous tree
  • benzathine benzylpenicillin
  • more than one bargained for
  • light-scattering photometry
  • military-industrial complex
  • witch-hazel cone gall aphid
  • wet-and-dry-bulb hygrometer
  • quantum information science
  • taste of one's own medicine
  • albatross around one's neck
  • polyenylphosphatidylcholine
  • ion exchange chromatography
  • truncated icosidodecahedron
  • beclomethasone dipropionate
  • zone of polarizing activity
  • Marinesco-Sjögren syndrome
  • pseudodifferential operator
  • honorificabilitudinitatibus
  • persistent vegetative state
  • missing white girl syndrome
  • hypergeometric distribution
  • statistical process control
  • osteoodontokeratoprosthesis
  • therapeutic boarding school
  • semantic-pragmatic disorder
  • dermatopathic lymphadenitis
  • the whole world and his dog
  • hydroxycinnamoyltransferase
  • persistive vegetative state
  • plain old telephone service
  • delay differential equation
  • telephone answering machine
  • vanadium-associated protein
  • Flying Spaghetti Monsterism
  • four treasures of the study
  • disorder of sex development
  • advanced traffic management
  • argumentum ad consequentiam
  • face like a bag of spanners
  • materials recovery facility
  • dimethylsulphoniopropionate
  • Hallervorden-Spatz syndrome
  • certified public accountant
  • inverse hyperbolic function
  • Oesterlé-Masser conjecture
  • photorefractive keratectomy
  • paroxysmal trepidant abasia
  • Nonne-Milroy-Meige syndrome
  • Curschmann-Steinert disease
  • methylnitronitrosoguanidine
  • cost, insurance and freight
  • lithium hexafluorophosphate
  • acrokeratosis verruciformis
  • Aicardi-Goutières syndrome
  • directed acyclic word graph
  • wilderness treatment center
  • internally displaced person
  • uniform resource identifier
  • respiratory syncytial virus
  • adrenocorticotropic hormone
  • digital-to-analog converter
  • hormone replacement therapy
  • hormone-replacement therapy
  • diminished radix complement
  • first cousin thrice removed
  • hydroxymethylnitrofurantoin
  • polychlorinated naphthalene
  • counting cell hemocytometer
  • potassium aluminium sulfate
  • low temperature flexibility
  • polychlorotrifluoroethylene
  • rapid unplanned disassembly
  • extended real number system
  • socio-cultural anthropology
  • improvised explosive device
  • paracontrolled distribution
  • object oriented programming
  • White Cloud Mountain minnow
  • oculomucocutaneous syndrome
  • sacrament of reconciliation
  • acute membranous gingivitis
  • massive compact halo object
  • Donath-Landsteiner syndrome
  • optical rotatory dispersion
  • shifting executory interest
  • horse of a different colour
  • meta-chlorophenylpiperazine
  • double-replacement reaction
  • chosen aggression principle
  • acute ulcerative gingivitis
  • cerebrohepatorenal syndrome
  • object-oriented programming
  • Legg-Calvé-Perthes disease
  • information-theoretic death
  • law of conservation of mass
  • seasonal affective disorder
  • satellite navigation system
  • inter-process communication
  • myeloproliferative neoplasm
  • southern pig-tailed macaque
  • prototype-based programming
  • recreational pharmaceutical
  • mesoscale convective system
  • cosmic background radiation
  • rufous-vented ground-cuckoo
  • thought-terminating cliché
  • present perfect progressive
  • Wernicke-Korsakoff syndrome
  • terminological inexactitude
  • principle of substitutivity
  • hedgehog signalling pathway
  • cosmic microwave background
  • retrograde neurotransmitter
  • nonverbal learning disorder
  • ethyl methylphenylglycidate
  • hysterosalpingooophorectomy
  • unique factorization domain
  • offensive line of scrimmage
  • driving under the influence
  • intermediate cuneiform bone
  • modified Newtonian dynamics
  • Chinese restaurant syndrome
  • baryon acoustic oscillation
  • lymphangioendotheliomatosis
  • Pisot-Vijayaraghavan number
  • cephalopelvic disproportion
  • positive assortative mating
  • photoelectromagnetic effect
  • all my eye and Betty Martin
  • electrical polyspermy block
  • two pennies to rub together
  • standard hydrogen electrode
  • precession of the equinoxes
  • methyl para-hydroxybenzoate
  • pentamethylcyclopentadienyl
  • tetraphosphorus trisulphide
  • methyl tertiary butyl ether
  • tetradecyltrimethylammonium
  • spooky action at a distance
  • temporary restraining order
  • Hertzsprung-Russell diagram
  • northern hairy-nosed wombat
  • positive side waterproofing
  • travelling salesman problem
  • tactical air control center
  • Armalite and the ballot box
  • Financial Intelligence Unit
  • murder in the second degree
  • Foix-Chavany-Marie syndrome
  • separation anxiety disorder
  • nocturnal penile tumescence
  • function-evaluation routine
  • bicartesian closed category
  • right to keep and bear arms
  • rough endoplasmic reticulum
  • hyperprebetalipoproteinemia
  • judge, jury and executioner
  • methylazoxymethanol acetate
  • special service requirement
  • deoxyadenosine triphosphate
  • nothing-up-my-sleeve number
  • electro-mechanical computer
  • continuously habitable zone
  • subject matter jurisdiction
  • erythroblastosis neonatorum
  • hypothetical taxonomic unit
  • laevodihydroxyphenylalanine
  • peripheral membrane protein
  • transportation safety board
  • static random access memory
  • superluminous spiral galaxy
  • all that and a bag of chips
  • proportional representation
  • glucobipindogulomethyloside
  • deduced amino acid sequence
  • Mach-Zehnder interferometer
  • methylchloroisothiazolinone
  • all that one's life's worth
  • Tianjin preserved vegetable
  • analog-to-digital converter
  • inertial frame of reference
  • Farber's lipogranulomatosis
  • natural language processing

Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.

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