glass wall noun [C usually singular] UK /ˌglɑːs ˈwɔːl/ US /ˌglæs ˈwɑːl/
a barrier to becoming accepted or included at work, usually affecting women or minority groups

The ‘glass wall’ that divides men and women they argue, is the new glass ceiling. Women aren’t just being overlooked for the next promotion; they are being shut out behind a glass wall by male-oriented office culture.
[Marie Claire 07 September 2016]

brass ceiling noun [C usually singular] UK /ˌbrɑːs ˈsi:lɪŋ/ US /ˌbræs ˈsi:lɪŋ/
a point after which someone, usually a woman, cannot reach a higher position in the military

Mariette Kalinowski, a former Marine, writes in the New York Times that while the “brass ceiling” is cracked, it is not gone because the military culture of hypermasculinity has not yet changed.
[www.linkedin.com 09 February 2016]

man tax noun [C or U] /ˈmæn ˌtæks/
a tax that has to be paid only by men

Owners of a New York City independent pharmacy recently imposed a one-day, 7% “man tax” in their efforts to raise awareness of the ongoing nationwide debate over taxes on feminine hygiene products and the gender inequality women experience when purchasing personal health products.
[www.pharmacytimes.com 21 October 2016]

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