black gum
"Black gum" can refer to a type of tree native to North America or certain eucalyptus species in Australia, as well as a dental condition causing darkened gums.
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Definition
B2Botany
(technical, common)A tree (Nyssa sylvatica) native to eastern North America, known for its vibrant fall foliage and dark blue fruit.
Example
- The black gum tree's leaves turn a brilliant red in the fall.
- Birds are often attracted to the black gum tree's fruit.
C1Botany
(technical, regional)Certain eucalyptus trees (Eucalyptus aggregata, Eucalyptus ovata) found in southeastern Australia.
Example
- Black gum eucalyptus trees are well-adapted to the wet environments of southeastern Australia.
- Eucalyptus ovata, a type of black gum, is commonly found in swampy areas.
C1Dentistry
(medical, common)A condition where the gums appear dark or black due to factors like smoking, medications, or disease.
Example
- Black gum can be a sign of smoker's melanosis.
- Certain medications can cause the gums to darken, leading to black gum.
Similar
Terms that have similar or relatively close meanings to "black gum":
yellow gumblue gumsour gumswamp gumsweet gumhog gum treegum treegum stickred gumwild cherry