dextral

a. 右侧的, 惯用右手的, 右旋的
【医】 右的, 右侧的, 右利的, 善用右侧器官的, 右利手者

副词:dextrally 名词:dextrality 

dex.tral

adj.（形容词）
Of, relating to, or located on the right side; right.
右边的：与右侧相关或在右侧；右边
Right-handed.
用右手的
Zoology Of or relating to a gastropod shell that coils clockwise and has its aperture to the right when facing the observer with the apex upward.
【动物学】 右旋的：软体动物的螺形外壳上的螺线顺时针螺旋即顶点向上，面对观察者时，螺线向右旋转

【引伸】
dextral.ity

dex.trally
adv.（副词）