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helices    
helix的复数形

helix的复数形

Helix \He"lix\, n.; pl. L. {Helices}, E. {Helixes}. [L. helix,
Gr. ?, ?, fr. ? to turn round; cf. L. volvere, and E. volute,
voluble.]
1. (Geom.) A nonplane curve whose tangents are all equally
inclined to a given plane. The common helix is the curve
formed by the thread of the ordinary screw. It is
distinguished from the spiral, all the convolutions of
which are in the plane.
[1913 Webster]

2. (Arch.) A caulicule or little volute under the abacus of
the Corinthian capital.
[1913 Webster]

3. (Anat.) The incurved margin or rim of the external ear.
See Illust. of {Ear}.
[1913 Webster]

4. (Zool.) A genus of land snails, including a large number
of species.
[1913 Webster]

Note: The genus originally included nearly all shells, but is
now greatly restricted. See {Snail}, {Pulmonifera}.
[1913 Webster]

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  • Walk-off home run - Wikipedia
    The winning runs must still touch all three bases and be counted at home plate A variant of the walk-off home run, the walk-off grand slam, occurs when a grand slam exceeds the opponent's score in the bottom of the final inning and ends the game
  • Special Rules Apply When a Runner Misses Home - Referee. com
    When a walk-off home run is hit, pandemonium reigns and the umpire’s task of ensuring all runners touch the plate becomes more difficult Restrictions on celebrations are usually waived The umpire must watch the batter-runner until he is reasonably certain the plate has been touched
  • Walk off Home run Touch Requirements - Stump The Ump
    The umpire at the game said that if the batter that hit the home run did not touch all of the bases including home plate then all of the runners that she batted in as a result of her grand slam home run would not count
  • Baseball’s Intriguing Rule: Can You Touch a Runner on a Homerun?
    Yes, in baseball, a runner can touch home plate with any part of their body, including a hand, to score a run As long as any part of the runner’s body crosses over the home plate before the fielding team tags them or records an out, the run counts
  • Do You Have To Touch Home Plate In Baseball
    A player who hits a homerun has to touch home plate just like every other base If they don’t step on a portion of the 216 75 square inch surface area, they technically did not touch home plate
  • What Is A Walk-Off In Baseball? Where Did The Name Come From?
    A walk-off in baseball happens when the home team scores the go-ahead run in the bottom of the ninth or extra innings to end the game The batter who drives home the game-winning run with a hit or walk is only required to touch first base since the game is over once the baserunner touches home plate
  • Is home run official if batter doesnt make it to home plate?
    Exception: If the last batter in a game hits a home run out of the playing field, the batter runner and all runners on base are permitted to score, in accordance with the base running rules, and the game ends when the batter runner touches home plate
  • 5. 08 How a Team Scores - Baseball Rules Academy
    An exception will be if fans rush onto the field and physically prevent the runner from touching home plate or the batter from touching first base In such cases, the umpires shall award the runner the base because of the obstruction by the fans
  • Home run - Wikipedia
    In baseball, a home run (abbreviated HR) is scored when the ball is hit in such a way that the batter is able to circle the bases and reach home plate safely in one play without any errors being committed by the defensive team
  • Can you get out if you hit a homerun? – Profound-tips
    Official Baseball Rule 5 09 (b) (12) states that should a runner, in scoring, fail to touch home plate and continue on the way to the bench (making no effort to return), the runner may be put out by the fielder touching home plate and appealing to the umpire for a decision





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