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

T

tropospheric

(trō pə sfēr ik): Of or relating to the part of the atmosphere, measured from the surface of the planet to about 6 miles.

turbid

(tər bəd): Clouded or discolored by the material from a liquid that settles to the bottom (sediment).

turbidity

(tər də tē): A measure of the cloudiness or muddiness of a water body.

U

ultraviolet radiation

(ǝl trǝ lǝt rā dē ā shǝn): Radiation that has a wavelength shorter than wavelengths of visible light (situated beyond the visible spectrum at its violet end) and longer than those of X-rays.

under-resourced

(ǝn dǝr sȯrsd): Not provided with enough money, staff, materials, services, etc. as are needed.

understory

(ǝn dǝr stȯr ē): The plant layer, especially the trees and shrubs, between the forest canopy and the ground cover.

ungulate

(un gyǝ lǝt): Any of a group of typically plant-eating, 4-footed, hoofed mammals (such as cows, sheep, pigs, horses, camels, and rhinoceroses).

unhealthy

(әn hel thē): Likely to make you sick or to harm you.

unique

(yu̇ nēk): Being the only one of its kind; unusual; distinctively characteristic.

unit of measurement

A standardized quantity of a physical property, such as inches, meters, kilograms, etc.

unregulated

(ən re gyə lā təd): Not controlled.

untrammeled

(un tra məl[d]): Unrestrained; free.

upslope

(əp slōp): Being or moving to or toward the top of a slope.

upwind

(ǝp wind): In the direction from which the wind is blowing.

urban

(ǝr bǝn): Of, relating to, typical of, or being a city.

(ǝr bǝn): About the city, city people, or city life.

urban forest

(ər bən fȯr əst): Trees and other vegetation growing within a city or town.

urban heat island effect

(ǝr bǝn hēt ī lǝnd ē fekt): An urban area that is significantly warmer than its surrounding rural areas due to human activities.

utility

(u til uh te): The quality of being useful.

V

vacant

( kənt): Not occupied or lived in.

variability

(ver ē ə bi-lə tē): The degree to which something is variable.