environmental sign
nounUK /ɪnˌvaɪ.rənˈmen.təl saɪn/
US /ɪnˌvaɪ.rənˈmen.t̬əl saɪn/
A sign that tells people how to help or protect nature.
The environmental sign by the river says 'Please do not litter.'
RELATED WORDS
OTHER MEANINGS
2. A sign showing information about the natural world, like plants or animals.
The environmental sign at the zoo explains where the pandas live.
3. A sign that warns about dangers to the environment, such as dirty water.
An environmental sign warned swimmers that the lake was not safe.
4. A sign used in studies of the environment to mark a place being observed.
The scientists put an environmental sign near the trees they were studying.