| TH | Greek philosopher and astronomer (who predicted an eclipse in 585 BC) who was said by Aristotle to be the founder of physical science |
|---|---|
| TH | Greek philosopher and astronomer (who predicted an eclipse in 585 BC) who was said by Aristotle to be the founder of physical science |
| TH | (Greek mythology) one of the three Graces |
| TH | (Greek mythology) the Muse of comedy and pastoral poetry |
| TH | small class of free-swimming tunicates |
| TH | widely distributed genus of perennial herbs: meadow rue |
| TH | a sedative and hypnotic drug |
| TH | a soft gray malleable metallic element that resembles tin but discolors on exposure to air |
| TH | of or relating to or resembling or consisting of a thallus |
| TH | used only in former classifications: comprising what is now considered a heterogeneous assemblage of flowerless and seedless organisms: algae |
| TH | any of a group of cryptogamic organisms consisting principally of a thallus and thus showing no differentiation into stem and root and leaf |
| TH | pertaining to or characteristic of thallophytes |