Glossary

Our glossary defines potentially new scientific or other terms to students. Glossary words are appear in bold in our resources.

  • a as in ape
  • ä as in car
  • e as in me
  • i as in ice
  • o as in go
  • ô as in for
  • u as in use
  • ü as in fur
  • oo as in tool
  • ng as in sting

D

demigod

(de mē gäd): A mythological being with more power than a mortal but less than a god.

demographic

(de mǝ gra fik): Of or relating to the statistical study of human populations (such as information like age and income).

dendrochronologist

(den drō krə lə jist): A scientist who studies dating events and variations in the environment in former periods by comparing growth rings in trees and aged wood.

dendrochronology

(den drō krə lə jē): The science of dating events and variations in an environment in former periods by the study of growth rings in trees and aged wood.

dense

(den(t)s): (1) Marked by closeness or crowding together of parts; (2) having a high mass per unit of volume.

(den(t)s): Closeness or crowding together.

densely

(dens lē): Closely or crowded together.

density

(den(t) sə tē): (1) The quantity per unit of volume, unit of area, or unit of length; (2) the average number of individuals or units per unit of space.

dependent

(di pen dǝnt): Relying on another for support.

depletion

(de plē shən): The state of having most or all of something being used.

deposit

(di zət): (verb) To let fall (something, such as sediment).

deposition

(de pə zi shən): The act or process of laying down matter by a natural process.

descendant

(di sen dənt): Coming from an ancestor or source.

designate

(de zig nāt): To appoint or choose by name for a special purpose; to mark or point out.

designation

(de zig shən): The act of indicating or identifying.

deter

(di tər): To turn aside, discourage, or prevent from acting.

devastate

(de və stāt): To ruin or destroy.

develop

(di vel әp): To grow or change.

deviation

(dē vē ā shən): An action, behavior, or condition that is different from what is usual or expected.

diameter

(dī a mǝ tǝr): The length of a straight line through the center of an object or space.

diffuse

(di fyüs): Poured or spread out; not concentrated.