antisiphon
adjective
an·ti·si·phon
: designed to prevent the emptying of a sanitary trap because of difference of pressure
Word History
Etymology
anti- entry 1 + siphon entry 2
- a hard nut to crack
- a hard row to hoe
- a hard/tough act to follow
- a hard/tough nut (to crack)
- a heart of stone
- a heaven on earth
- a helping hand
- a higher purpose
- a hill of beans
- a hop, skip, and (a) jump
- a hop, skip, and a jump
- a hop, skip, and jump
- A horizon
- a horse of a different color
- a hostage to fortune
- a human chain
- a jour
- a jury of one's peers
- a kick in the teeth
- a la
- a la carte
- a la mode
- a la poupee
- a lady of leisure
- a lady/man/gentleman of leisure