half-turn


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half-turn

Descriptive of a stair which turns 180° or through two right angles at each landing. Also see dogleg stair.
References in periodicals archive ?
The various types of half-turn ASM are as follows: Type [B.
Believed to be unique, the two-point bayonet connector attaches both filters to the mask using the same half-turn technique.
Then the link is made between the 360[degrees] of a whole turn, and the measure in degrees of other fractions of a turn: a quarter-turn, a half-turn, a three-quarter-turn, a sixth-turn, and so on (Figure 10).
This allows traditionally flush-mounted sensors to be recessed by a half-turn for increased mechanical protection.
Etherington played the ball square for Reo-Coker, who beat Aaron Mokoena with a brilliant half-turn on the edge of the Blackburn box and then drove the ball into the top corner.
The Gunners always have a Kanu or a Bergkamp in the hole to link play, leaving Henry - already on the half-turn - ready to use his pace.
By the end, even first-timers are clamoring for more quarter-turn and half-turn jumps, Hogan said.