[haf-turn, hahf-] /ˈhæfˌtɜrn, ˈhɑf-/
a 180-degree turn; a direct reversal of direction or orientation, as from front to back or left to right.
[haf-tur-ning, hahf-] /ˈhæfˌtɜr nɪŋ, ˈhɑf-/ noun, Furniture. 1. .
noun 1. Diving. a dive made by a half rotation of the body on its long axis. Compare . 2. the twisting of the body in a half-turn, as in tumbling.
[yoozd or for 4, yoost] /yuzd or for 4, yust/ adjective 1. previously used or owned; secondhand: a used car. 2. showing wear or being worn out: a thrift shop that accepts used clothing. 3. employed for a purpose; utilized: a frequently used dictionary. Idioms 4. used to, accustomed or habituated to: I’m not used […]
[haf-vol-ee, hahf-] /ˈhæfˌvɒl i, ˈhɑf-/ verb (used with or without object), half-volleyed, half-volleying. 1. to make or stroke with a half volley. noun 1. (in tennis, racquets, etc.) a stroke in which the ball is hit the moment it bounces from the ground. noun 1. a stroke or shot in which the ball is hit […]
- Half-wave plate
[haf-weyv, hahf-] /ˈhæfˌweɪv, ˈhɑf-/ noun, Optics. 1. a crystal thin enough to cause a phase difference of 180° between the ordinary and extraordinary rays of polarized light, thereby changing the direction of the plane of polarization.