thalidomide
— Noun
– English
～ a sedative and hypnotic drug; withdrawn from sale after discovered to cause severe birth defects because it inhibits angiogenesis
Thalidone
— Noun
– English
～ a diuretic (trade names Hygroton and Thalidone) used to control hypertension and conditions that cause edema; effective in lowering blood pressure to prevent heart attacks
thallium
— Noun
– English
～ a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
Thallophyta
— Noun
– English
～ used only in former classifications: comprising what is now considered a heterogeneous assemblage of flowerless and seedless organisms: algae; bacteria; fungi; lichens
thallophyte
— Noun
– English
～ 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
– English
～ a plant body without true stems or roots or leaves or vascular system; characteristic of the thallophytes
thalmencephalon
— Noun
– English
～ the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon
thalweg
— Noun
– English
～ a line following the lowest points of a valley
thalweg
— Noun
– English
～ the middle of the chief navigable channel of a waterway that forms the boundary line between states
thames
— Noun
– English
～ the longest river in England; flows eastward through London to the North Sea
Thames River
— Noun
– English
～ the longest river in England; flows eastward through London to the North Sea
Thammuz
— Noun
– English
～ the tenth month of the civil year; the fourth month of the ecclesiastic year (in June and July)
Thamnophilus
— Noun
– English
～ a genus of Formicariidae
Thamnophis sauritus
— Noun
– English
～ slender yellow-striped North American garter snake; prefers wet places