Cougar is a slang term that refers to a woman who seeks sexual relations with considerably younger men.
zona - (anatomy) any encircling or beltlike structure zone anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; he has good bone structure
ZylonÂ® PBO. ZylonÂ® PBO fiber is composed of rigid molecular chains [poly(p-phenylene-2,6-benzobisoxazole)]. These fibers and filaments are characterized by high tensile strength (10 times higher than steel), excellent impact energy absorption (twice that of para-aramid), and exceptional thermal stability (limiting oxygen index of 68).