
1) Composite material
Found on
https://www.crosswordclues.com/clue/tenax

Latin, meaning: grasping, stingy, cligning, frugal, obstinate.
Found on
http://archives.nd.edu/ttt.htm

Tenax is the brandname of Toho Tenax owned by Teijin for a carbon fiber. Tenax-7R is an adhesive particularly suited for welding plastics . ==Other uses== Tenax is also a brand name for Poly(2,6-diphenylphenylene oxide), a porous polymer. ...
Found on
http://en.wikipedia.org/wiki/Tenax

grasping, stingy, clinging, frugal, obstinate.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html
No exact match found.