- 两性人 liǎngxìngrén intersex personA person born with both male and female biological characteristics or reproductive organs.
- 两性花 liǎngxìnghuā hermaphrodite flowera flower that has both stamens and pistils; also known as [[两蕊花|兩蕊花|liang3 rui3 hua1]]
- 两性动物 liǎngxìngdòngwù hermaphroditehermaphrodite; animal possessing both male and female reproductive organs
- 两性化合物 liǎngxìnghuàhéwù amphoteric compoundA chemical compound that can react as both an acid and a base
- 两性差距 liǎngxìngchājù gender gapdisparity between the sexes; the differences or inequalities between men and women
- 两性平权 liǎngxìngpíngquán gender equalitythe concept of equal rights and status for both sexes
- 两性平等 liǎngxìngpíngděng gender equalityequality between the sexes
- 两性异形 liǎngxìngyìxíng sexual dimorphismThe physical differences between males and females of the same species, such as size, color, or shape
- 两性生殖 liǎngxìngshēngzhí sexual reproductionBiological process where a new individual develops from the fusion of male and female reproductive cells; also called [[有性生殖|有性生殖|you3 xing4 sheng1 zhi2]]
- 两性离子 liǎngxìnglízǐ zwitterion(chemistry) a molecule or ion having separate positively and negatively charged groups, also known as an amphion
- 两性关系 liǎngxìngguānxi sexual relationssexual or romantic relations between men and women