thales
— Noun
– English
～ a presocratic Greek philosopher and astronomer (who predicted an eclipse in 585 BC) who was said by Aristotle to be the founder of physical science; he held that all things originated in water (624-546 BC)
Thales of Miletus
— Noun
– English
～ a presocratic Greek philosopher and astronomer (who predicted an eclipse in 585 BC) who was said by Aristotle to be the founder of physical science; he held that all things originated in water (624-546 BC)
Thalia
— Noun
– English
～ (Greek mythology) one of the three Graces
Thalia
— Noun
– English
～ (Greek mythology) the Muse of comedy and pastoral poetry
Thaliacea
— Noun
– English
～ small class of free-swimming tunicates; sometimes classified as an order
Thalictrum
— Noun
– English
～ widely distributed genus of perennial herbs: meadow rue
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～ a sedative and hypnotic drug; withdrawn from sale after discovered to cause severe birth defects because it inhibits angiogenesis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
thalloid
— Adjective
– English
～ of or relating to or resembling or consisting of a thallus
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
thallophytic
— Adjective
– English
～ pertaining to or characteristic of thallophytes
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