性せい徴ちょうせいちょうFreq.FrequencyTop 100,000Meanings1nounsexual characteristicsbiologyBiological term referring to primary and secondary sexual characteristics. Often used in compounds like 第二次性徴 (secondary sexual characteristics).第だい二に次じ性せい徴ちょうは思し春しゅん期きに現あらわれる。Secondary sexual characteristics appear during puberty.