<title type="display">zenith</title> Pronúncia: ˈzɛnɪθ noun zenit. figurative zenit, punt culminant, moment culminant.
<title type="display">zero</title> Pronúncia: ˈzɪərəʊ adjective zero, nul. noun zero. absolute zero zero absolut. 2° below zero dos graus sota zero.
<title type="display">zero hour</title> noun Military l'hora de l'atac. figurative moment decisiu, moment crític.