List of Words for Letter ‘D’

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dam a barrier constructed to control a flow of water or to raise a water level
deciduous belonging to the class of trees or forests that lose their leaves when winter comes
decomposer an organism that breaks down dead organisms into simpler substances
delta the triangular-shaped deposit of soil particles that forms where a stream enters a larger body of water
density the measure of how much material there is in a given amount of space
deposition the process by which eroded soil and rock are put down in new places, reshaping the landscape
deuterium one of the two forms of hydrogen used in the process of nuclear fusion
dew point the temperature at which condensation occurs
diatom a very small, photosynthetic protist that lives in either salt water or fresh water
dinoflagellate a protist that has characteristics of both plants and animals
divergent boundary a boundary between plates that are moving away from each other, or pulling apart
dormant less active