sexual discrimination(n = noun.act) - discrimination (usually in employment) that excludes one sex (usually women) to the benefit of the other sex;
is a kind of sexism

discrimination, double standard of sexual behavior, freedom from discrimination, primary sexual characteristic, racial discrimination, secondary sexual characteristic, sexual, sexual abstention, sexual abuse, sexual activity, sexual arousal, sexual assault, sexual characteristic, sexual climax, sexual congress, sexual conquest, sexual desire, sexual harassment, sexual immorality, sexual intercourse, sexual inversion, sexual love, sexual morality, sexual perversion, sexual pleasure, sexual practice, sexual preference, sexual relation, sexual relationship, sexual reproduction, sexual union, sexual urge