Library / English Dictionary

MENSTRUATION

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause

Example:

the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females

Synonyms:

catamenia; flow; menses; menstruation; menstruum; period

Classified under:

Nouns denoting natural processes

Hypernyms ("menstruation" is a kind of...):

discharge; emission; expelling (any of several bodily processes by which substances go out of the body)

Hyponyms (each of the following is a kind of "menstruation"):

hypermenorrhea; menorrhagia (abnormally heavy or prolonged menstruation; can be a symptom of uterine tumors and can lead to anemia if prolonged)

oligomenorrhea (abnormally light or infrequent menstruation)

Derivation:

menstruate (undergo menstruation)

Credits

 Context examples: 

The Menstrual Cycle involves regularly recurring hormonal changes and physiologic endometrial changes during the reproductive period in human females, and some primates, and culminates in partial sloughing of the endometrium (menstruation) in the absence of fertilization.

(Menstrual cycle, NCI Thesaurus)

Heavy bleeding during regular menstruation.

(Menorrhagia, NCI Thesaurus)

Age of first menstruation.

(Age at Menarche, NCI Thesaurus)