| HETEROKONT | • heterokont adj. (Biology) Having flagella of unequal length. • heterokont n. (Biology) Any member of the superphylum Heterokonta, most of which are algae. • HETEROKONT n. a kind of yellow-green alga, also HETEROCONT. |
| TENTERHOOK | • tenterhook n. One of a series of hooks used to stretch cloth on a tenter. • tenter-hook n. Alternative form of tenterhook. • tenter␣hook n. Alternative form of tenterhook. |
| HETEROKONTS | • heterokonts n. Plural of heterokont. • HETEROKONT n. a kind of yellow-green alga, also HETEROCONT. |
| KATABOTHRON | • KATABOTHRON n. (Modern Greek) an underground water channel, also KATAVOTHRON. |
| KATAVOTHRON | • katavothron n. Synonym of swallow hole. • KATAVOTHRON n. (Modern Greek) an underground water channel, also KATABOTHRON. |
| NETHERSTOCK | • netherstock n. A stocking. • netherstock n. (Historical) A 16th-century stocking reaching above the knee and worn with upperstocks. • NETHERSTOCK n. (obsolete) a stocking. |
| TENTERHOOKS | • tenterhooks n. Plural of tenterhook. • tenter␣hooks n. Plural of tenter hook. • TENTERHOOK n. a sharp, hooked nail to fasten cloth to a tenter. |
| THANKWORTHY | • thankworthy adj. Deserving thanks; worthy of gratitude. • THANKWORTHY adj. worthy of thanks. |
| HETEROKONTAN | • heterokontan adj. Belonging to the heterokonts. • HETEROKONTAN adj. of or like a heterokont, a kind of yellow-green alga. |
| KATABOTHRONS | • KATABOTHRON n. (Modern Greek) an underground water channel, also KATAVOTHRON. |
| KATAVOTHRONS | • KATAVOTHRON n. (Modern Greek) an underground water channel, also KATABOTHRON. |
| NETHERSTOCKS | • netherstocks n. Plural of netherstock. • NETHERSTOCK n. (obsolete) a stocking. |
| PHYTOPLANKTER | • phytoplankter n. A single phytoplankton organism. • PHYTOPLANKTER n. a planktonic plant. |
| THANKWORTHIER | • THANKWORTHY adj. worthy of thanks. |
| THANKWORTHILY | • THANKWORTHY adv. worthy of thanks. |
| THUNDERSTROKE | • thunderstroke n. Thunderbolt. • THUNDERSTROKE n. a stroke of or as if of lightning with the attendant thunder. |
| PHYTOPLANKTERS | • phytoplankters n. Plural of phytoplankter. • PHYTOPLANKTER n. a planktonic plant. |
| THANKWORTHIEST | • thankworthiest adj. Superlative form of thankworthy: most thankworthy. • THANKWORTHY adj. worthy of thanks. |
| THUNDERSTROKES | • thunderstrokes n. Plural of thunderstroke. • THUNDERSTROKE n. a stroke of or as if of lightning with the attendant thunder. |
| THANKWORTHINESS | • thankworthiness n. The quality or state of being thankworthy. • THANKWORTHINESS n. the state of being thankworthy. |