List of Words for Letter ‘D’
Click on 
to hear the word and definition
-
decomposer Any
organism that breaks down dead plants and animals into simpler materials that enrich the soil.
-
density The
measurement of how much mass fits within a certain volume.
-
deposition The
dropping off of eroded particles in different locations from where they were picked up.
-
diffraction Glass or polished metal with many thin, parallel slits that refract light when it passes through.
-
diffusion The
movement of molecules from areas of higher concentration to areas of lower concentration.
-
digestion The
process in which digested food is broken down into molecules that are usable by cells.
-
distance The
length between two places.
-
distillation The
process by which the parts of a mixture are separated by vaporization and condensation.
-
DNA Deoxyribonucleic acid, a long, complex molecule that controls heredity.
-
dominant The
form of an inherited trait that masks the other form of the same trait.
-
Doppler change in a sound’s pitch if its source or recipient is in motion.