English Reference
noun · verb

gum

n. · v.
US /ˈɡəm/ UK /ɡˈʌm/ gum UK spelling gum's, gum's, gummed

  1. 01 A2 Elementary Medicine

    n.the pink, firm flesh in your mouth that holds your teeth in place.

    n.the firm connective tissue and associated mucous membrane that surrounds the alveolar ridges of the jaws and encloses the necks of the teeth.

    Simple

    You should brush gently to avoid hurting your gums.

    In context

    The dentist noted significant inflammation of the patient's gums, suggesting the early stages of periodontal disease.

    Usage

    Usually used in the plural form when referring to the mouth tissue.

    gingiva
  2. 02 A2 Elementary

    n.a sweet, rubbery substance that you chew for a long time but do not swallow.

    n.a sweetened, flavoured preparation, typically made of chicle or synthetic rubber, intended for prolonged mastication.

    Simple

    He popped a piece of mint gum into his mouth after lunch.

    In context

    The school board implemented a strict policy against chewing gum in classrooms to prevent damage to the underside of the desks.

    bubblegum
  3. 03 B2 Upper Intermediate Technical Science

    n.a sticky liquid that comes out of some trees and plants and becomes hard when dry.

    n.a viscous, often water-soluble polysaccharide exudate from certain plants that hardens upon exposure to air.

    Simple

    The artist used a natural gum to thicken the paint.

    In context

    Acacia trees produce a specific type of gum that has been used for centuries as a stabilizer in food and ink production.

  4. 04 B2 Upper Intermediate Science

    n.a type of tree that produces a sticky substance, such as a eucalyptus tree.

    n.any of various trees that exude gum, particularly those of the genus Eucalyptus or Liquidambar.

    Simple

    The koala spent the whole afternoon sleeping in the branches of a tall gum.

    In context

    The landscape was dominated by ancient gums, their silver bark peeling away in long strips under the intense summer heat.

  5. 05 B2 Upper Intermediate

    v.to join things together using a sticky substance.

    v.to smear, cover, or join with gum or a similar adhesive substance.

    Simple

    She gummed the labels onto the jars of homemade jam.

    In context

    The technician carefully gummed the delicate components together, ensuring the adhesive did not seep into the internal circuitry.

  6. 06 C1 Advanced Informal

    v.to stop something from working properly by making it sticky or messy.

    v.to impair the functioning of a mechanism or process, typically by the accumulation of a sticky or obstructive substance.

    Simple

    Old oil had gummed up the engine, so it wouldn't start.

    In context

    Bureaucratic delays have gummed up the application process, leaving hundreds of residents in a state of legal uncertainty.

    Usage

    Commonly used with the particle 'up' as a phrasal verb.

This entry
Level A2 · Elementary
Frequency Frequent
Updated