| thundersquall |
a brief violent thunderstorm. |
| thunderstone |
any of various stones, fossils, or prehistoric tools that in former times were believed to have been hurled to the ground as thunderbolts. |
| thunderstorm |
a brief electrical storm usu. accompanied by heavy rain and high winds. |
| thunderstruck |
amazed, awed, or stunned. |
| thundery |
accompanied with, indicating, or sounding like thunder; thunderous. |
| thunk1 |
dialetical past tense and past participle of the verb "think." |
| thunk2 |
non-reverberating sound such as that made when something heavy falls to the ground. |
| thurible |
a censer. |
| Thurs. |
abbreviation of "Thursday," the fifth day of the week, occurring between Wednesday and Friday. |
| Thursday |
the fifth day of the week, occurring between Wednesday and Friday. |
| Thursdays |
on Thursdays; each Thursday; every Thursday. |
| thus |
in this way. [3 definitions] |
| thwack |
to hit or beat sharply and vigorously with something flat; whack. [3 definitions] |
| thwart |
to hinder, oppose, or frustrate. [5 definitions] |
| thy |
a possessive form of "thou" (used chiefly in earlier literature and religious writing); your. |
| thylakoid |
a disc-shaped, membranous sac that is the site of the light-dependent reactions of photosynthesis in cyanobacteria and the chloroplasts of green plants. |
| thyme |
any of several herbs, related to mint and native to southern Europe, that have small aromatic leaves. [2 definitions] |
| thymine |
a white crystalline organic base that is an essential component of DNA. |
| thymol |
a white crystalline aromatic solid derived from thyme oil or synthesized and used in mouthwashes and nasal sprays, perfumes, and preservatives. |
| thymosin |
any of several hormones secreted by the thymus that stimulate the immune system by promoting the development of T cells. |
| thymus |
a vestigial ductless gland or glandular structure found in vertebrates, usu. at the base of the neck, that is active during childhood in modifying white blood cells and building resistance to disease, but becomes inactive in the adult. |