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    Dendril Roots
      delta
      noun
      A landform at the mouth of a river where it empties into a body of water.
      (mathematics, physics, engineering) The symbol Δ; A change in a quantity, likely from "d" for "difference".
      (finance) The rate of change in an option value with respect to the underlying asset's price.
      The fourth letter of the modern Greek alphabet Δ, δ.
      (computing) The set of differences between two versions of a file.
      (chemistry) A value in delta notation indicating the relative abundances of isotopes.
      (US, military, U.S. Space Force) A military unit, nominally headed by a colonel, equivalent to a USAF operations wing, or an army regiment.
      (electricity, often attributive) The closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system.
      (physics) one of four baryons consisting of up and down quarks with a combined spin of 3/2: Δ⁺⁺ (uuu), Δ⁺ (uud), Δ⁰ (udd), or Δ⁻ (ddd)
      (astronomy) a star that is usually the fourth brightest of a constellation.
      (computing, informal) A small but noticeable effect. Compare epsilon.
      A type of cargo bike that has one wheel in front and two in back.
      (surveying) The angle subtended at the center of a circular arc.
      The Delta variant of COVID-19.
      A state of Nigeria in the South South geopolitical zone. Capital: Asaba. Largest city: Warri.
      A number of places in the United States:
      A municipality in Central Macedonia, Greece.
      A municipality of Minas Gerais, Brazil.
      A municipality of British Columbia, Canada.
      A village in Ontario, Canada.
      A census-designated place and unincorporated community in Clay County, Alabama.
      A city and home rule municipality, the county seat of Delta County, Colorado.
      An unincorporated community in Saline County, Illinois.
      A city in Keokuk County, Iowa.
      An unincorporated community in Wayne County, Kentucky.
      A village in Madison Parish, Louisiana.
      A city in Cape Girardeau County, Missouri.
      An unincorporated community in Stokes County, North Carolina.
      A village in Fulton County, Ohio.
      A borough in York County, Pennsylvania.
      A city in Millard County, Utah.
      A town and unincorporated community in Bayfield County, Wisconsin.
      (medicine) Ellipsis of delta variant (variant of the SARS-CoV-2 virus).
      (international standards) Alternative letter-case form of Delta from the NATO/ICAO Phonetic Alphabet.
      Acronym of Diploma in Teaching English to Speakers of Other Languages, an advanced qualification to teach English, higher than the CELTA, accredited by the University of Cambridge.
      verb
      (cryptography) To calculate the differences between the characters in an enciphered text and the characters a fixed number of positions previous.
      (computing) To compare two versions of the same file in order to determine where they differ (where a programmer has made edits).
      Roots
      deltadelta- · Greek · fourth letter
      Words related to delta
      deltaicadjgammasnthetanepsilonnsigmanupsilonnzetanomicronndigammarhonalphaadjairlinesnrivernomeganphinkappanriverineairwaysnriverliketaunlambdanjetn

      Synonyms & related words for delta

      Find synonyms, related words, and the definition of delta. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

      Words related to delta

      Explore words related to delta — words associated with it, words that go with it, and its nearest matches in meaning. Related words include deltaic, gammas, theta, epsilon, sigma, upsilon, zeta, omicron. Click any word to make it the center of the map and keep exploring the web of connections.

      Where does delta come from?

      The word delta breaks down into one root of Greek origin: the root delta-, from Greek delta (“fourth letter”). Explore each root to see other English words built from the same source.

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