|
|
thawing |
Noun
|
the process whereby heat changes something from a solid to a liquid |
|
|
thundershower |
Noun
|
a short rainstorm accompanied by thunder and lightning |
|
|
tempest |
Noun
|
a violent storm |
|
|
tempest |
Noun
|
a violent commotion or disturbance |
|
|
thermionic current |
Noun
|
an electric current produced between two electrodes as a result of electrons emitted by thermionic emission |
|
|
theta rhythm |
Noun
|
the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy |
|
|
theta wave |
Noun
|
the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy |
|
|
thunderstorm |
Noun
|
a storm resulting from strong rising air currents |
|
|
thallophyte |
Noun
|
any of a group of cryptogamic organisms consisting principally of a thallus and thus showing no differentiation into stem and root and leaf |
|
|
thallus |
Noun
|
a plant body without true stems or roots or leaves or vascular system |
|
|
torsion |
Noun
|
a twisting force |
|
|
torsion |
Noun
|
a tortuous and twisted shape or position |
|
|
torque |
Noun
|
a twisting force |
|
|
tossup |
Noun
|
an unpredictable phenomenon |
|
|
toss-up |
Noun
|
an unpredictable phenomenon |
|
|
trade wind |
Noun
|
steady winds blowing from east to west above and below the equator |
|
|
tramontana |
Noun
|
a cold dry wind that blows south out of the mountains into Italy and the western Mediterranean |
|
|
trichroism |
Noun
|
pleochroism of a crystal so that it exhibits three different colors when viewed from three different directions |
|
|
turbulence |
Noun
|
unstable flow of a liquid or gas |
|
|
turbulence |
Noun
|
a state of violent disturbance and disorder, as in politics or social conditions generally |
|
|
turbulence |
Noun
|
instability in the atmosphere |
|
|
turbulency |
Noun
|
an unstable flow of a liquid or gas |
|
|
typhoon |
Noun
|
a tropical cyclone occurring in the western Pacific or Indian oceans |
|
|
thermoelectricity |
Noun
|
electricity produced by heat, as in a thermocouple |
|
|
torchlight |
Noun
|
a light from a torch or torches |
|
|
twilight |
Adjective
|
lighted by or as if by twilight |
|
|
twilight |
Noun
|
the diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth |
|
|
twilight |
Noun
|
a condition of decline following successes |
|
|
twilight |
Noun
|
the time of day immediately following sunset |
|
|
teliospore |
Noun
|
a chlamydospore that develops in the last stage of the life cycle of the rust fungus |
|
|
true pine |
Noun
|
a coniferous tree |
|
|
tetraspore |
Noun
|
one of the four asexual spores produced within a sporangium |
|
|
tepal |
Noun
|
an undifferentiated part of a perianth that cannot be distinguished as a sepal or a petal (as in lilies and tulips) |
|
|
tamarack |
Noun
|
medium-sized larch of Canada and northern United States including Alaska having a broad conic crown and rust-brown scaly bark |
|
|
true fir |
Noun
|
any of various evergreen trees of the genus Abies |
|
|
true cedar |
Noun
|
any cedar of the genus Cedrus |
|
|
table-mountain pine |
Noun
|
a small two-needled upland pine of the eastern United States (Appalachians) having dark brown flaking bark and thorn-tipped cone scales |
|
|
tarwood |
Noun
|
New Zealand silver pine of conical habit with long slender flexuous branches |
|
|
tarwood |
Noun
|
New Zealand shrub |
|
|
tar-wood |
Noun
|
a New Zealand silver pine of conical habit with long slender flexuous branches |
|
|
tanekaha |
Noun
|
medium tall celery pine of New Zealand |
|
|
totara |
Noun
|
valuable timber tree of New Zealand yielding hard reddish wood used for furniture and bridges and wharves |
|
|
thistledown |
Noun
|
pappus of a thistle consisting of silky featherlike hairs attached to the seed-like fruit of a thistle |
|
|
testa |
Noun
|
protective outer layer of seeds of flowering plants |
|
|
true laurel |
Noun
|
small Mediterranean evergreen tree with small blackish berries and glossy aromatic leaves used for flavoring in cooking |
|
|
tulip tree |
Noun
|
tall North American deciduous timber tree having large tulip-shaped greenish yellow flowers and conelike fruit |
|
|
tulip poplar |
Noun
|
tall North American deciduous timber tree having large tulip-shaped greenish yellow flowers and conelike fruit |
|
|
tulipwood |
Noun
|
light easily worked wood of a tulip tree |
|
|
tulipwood |
Noun
|
the variegated or showily striped ornamental wood of various tulipwood trees |
|
|
true tulipwood |
Noun
|
light easily worked wood of a tulip tree |