footsteps
(organic chemistry) Any sulfonic acid derived from camphor, but especially d-camphorsulfonic acid (known as Reychler's acid) classically used to resolve stereoisomers
plural of footstep
Of or pertaining to tagma.
(rare) Misapplication; the act of misapplying something.
深夜、人気のない廊下に足音がこだまするのを聞いた。
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