12-letter words containing g, a, y, i
- yin and yang — (in Chinese philosophy and religion) two principles, one negative, dark, and feminine (yin) and one positive, bright, and masculine (yang) whose interaction influences the destinies of creatures and things.
- yuri gagarin — Yuri Alekseyevich [yoo r-ee al-ik-sey-uh-vich;; Russian yoo-ryi uh-lyi-ksye-yi-vyich] /ˈyʊər i ˌæl ɪkˈseɪ ə vɪtʃ;; Russian ˈyu ryɪ ʌ lyɪˈksyɛ yɪ vyɪtʃ/ (Show IPA), 1934–68, Russian astronaut: first human being to make an orbital space flight (1961).
- zero gravity — the condition in which the apparent effect of gravity is zero, as in the case of a body in free fall or in orbit.
- zoologically — In a zoologic manner.
- zygapophysis — one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.