| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a chattering or flighty, light-headed person. |
amenorrhea a·men·or·rhe·a or a·men·or·rhoe·a (ā-měn'ə-rē'ə)
n.
Abnormal suppression or absence of menstruation. Also called menostasis.
| amenorrhea (ā-měn'ə-rē'ə) Pronunciation Key
The absence of menstruation in a woman between puberty and menopause. Some causes include pregnancy, decreased body weight, endocrine and other medical disorders, and certain medications. |