TENSION n.
ber (Engin.), a brace or member designed to resist tension, or subjected to tension, in a structure. -- Tension rod (Engin.), an iron rod used as a tension member to strengthen timber or metal framework, roofs, or the like.
THALLOPHYTA n.
A phylum of plants of very diverse habit and structure, including the algæ, fungi, and lichens. The simpler forms, as many blue-green algæ, yeasts, etc., are unicellular and reproduce vegetatively or by means of asexual spores; in the higher forms the plant body is a thallus, which may be filamentous or may consist of…