1. Related to the suppression of normal menstrual flow for any reason other than pregnancy
   - amenorrheic [N. Amer], amenorrhoeic [Brit, Cdn], amenorrheal [N. Amer]

See also: amenorrhoea

• family Rubiaceae
• family Ruscaceae
• family Russulaceae
• family Rutaceae
• family Rynchopidae
• family Saccharomycetaceae
• family Sagittariidae
• family Salamandridae
• family Salicaceae
• family Salmonidae
• family Salpidae
• family Salvadoraceae
• family Salviniaceae
• family Santalaceae
• family Sapindaceae
• family Sapotaceae
• family Sarcoptidae
• family Sarcoscyphaceae
• family Sarraceniaceae
• family Saturniidae
• family Satyridae
• family Saururaceae
• family Saxifragaceae
• family Scarabaeidae
• family Scaridae