English Words Starting With F

• function shift

  nounB2-C1
  /ˈfʌŋk.ʃən ˌʃɪft/A change in the role or purpose of something, especially in business, computing, or linguistics.
• function space

  nounC2
  /ˈfʌŋkʃən speɪs/A collection or set of functions, often with some shared mathematical property (like continuity), considered as a single abstract object.
• function word

  nounC1
  /ˈfʌŋkʃ(ə)n wɜːd/A word that expresses grammatical relationships rather than full lexical meaning, primarily used to connect or structure content words.
• functional

  adjectivenounHigh-frequency
  /ˈfʌŋkʃənl/Relating to the purpose something is designed to serve; having practical use rather than being decorative.
• functional analysis

  nounLow
  /ˌfʌŋkʃənl əˈnæləsɪs/The study of vector spaces of functions and their transformations, a branch of pure mathematics focused on infinite-dimensional spaces and operators.
• functional calculus

  nounC2
  /ˌfʌŋkʃənl ˈkalkjʊləs/A branch of mathematical logic that deals with the formal manipulation of functions and quantifiers.
• functional disease

  nounLow
  /ˈfʌŋkʃənl dɪˈziːz/A medical condition where symptoms exist and cause distress, but no structural or biochemical abnormalities can be identified.
• functional food

  nounLow to Medium
  /ˌfʌŋk.ʃən.əl ˈfuːd/A food that provides health benefits beyond basic nutrition, due to added or naturally occurring components.
• functional group

  nounC1/C2
  /ˌfʌŋkʃənl ˈɡruːp/A specific grouping of atoms within a molecule that determines the characteristic chemical reactions of that molecule.
• functional illiterate

  nounLow
  /ˌfʌŋkʃənəl ɪˈlɪtərət/An adult who possesses basic reading and writing skills but at a level insufficient for managing daily living and employment tasks that require reading comprehension.
• functional imperative

  nounC1
  /ˌfʌŋk.ʃən.əl ɪmˈper.ə.tɪv/A fundamental requirement or essential function that must be performed for a system, organization, or process to operate effectively; a non-negotiable operational necessity.
• functional isomer

  nounVery Low
  /ˌfʌŋk.ʃən.əl ˈaɪ.sə.mə/A type of isomer where two or more compounds have the same molecular formula but different functional groups, resulting in different chemical properties.
• functional load

  nounC1
  /ˈfʌŋkʃənl ləʊd/A concept in linguistics measuring the importance of a phonological contrast in distinguishing words within a language.
• functional medicine

  nounC1
  /ˈfʌŋkʃənəl ˈmɛd(ɪ)s(ə)n/A systems biology–based approach to healthcare that focuses on identifying and addressing the root causes of disease, viewing the body as an integrated system rather than a collection of independent organs.
• functional representation

  nounLow
  /ˌfʌŋk.ʃən.əl ˌrep.rɪ.zenˈteɪ.ʃən/A way of showing or describing something that focuses on its purpose, role, or practical use, rather than its physical form or details.
• functional sentence perspective

  nounC1/C2 academic/professional
  /ˌfʌŋkʃənəl ˈsentəns pəˌspektɪv/A linguistic theory that analyses utterances based on their communicative function, distinguishing between given information (theme) and new information (rheme).
• functional shift

  nounC1
  /ˈfʌŋkʃənl ʃɪft/A linguistic process where a word changes its grammatical part of speech without any change to its form.
• functional water

  nounC1
  /ˈfʌŋkʃənəl ˈwɔːtə/Water that has been enhanced with added ingredients (such as vitamins, minerals, electrolytes, or other compounds) to provide a specific health benefit beyond basic hydration.
• functionalism

  nounC2
  /ˈfʌŋkʃənəlɪzəm/A theory or perspective that explains phenomena by their function, purpose, or role within a system, rather than by their form or historical origins.
• functionalist

  adjectivenounC2
  /ˈfʌŋkʃənəlɪst/A person who believes that something should be designed or understood based on its practical purpose and usefulness, rather than its appearance or theoretical principles alone.

Showing 5621–5640 of 5868 words.