円えん錐すい振ふり子こえんすいふりこじ字FuriganaMeanings1nounconical pendulumA physics term for a pendulum that moves in a horizontal circle, with the string tracing out a cone.円えん錐すい振ふり子この周しゅう期きは、振ふり子この長ながさと重じゅう力りょく加