flow

nouns

the motion characteristic of fluids (liquids or gases)

flow, flowing

the amount of fluid that flows in a given time

flow, flow rate, rate of flow

the act of flowing or streaming; continuous progression

flow, stream

any uninterrupted stream or discharge

flow

is a type of (narrower)

a process existing in or produced by nature (rather than by the intent of human beings)

"the action of natural forces"; "volcanic activity"

action, activity, natural action, natural process

something that resembles a flowing stream in moving continuously

"a stream of people emptied from the terminal"; "the museum had planned carefully for the flow of visitors"

flow, stream

dominant course (suggestive of running water) of successive events or ideas

"two streams of development run through American history"; "stream of consciousness"; "the flow of thought"; "the current of history"

current, flow, stream

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

"the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped"--Hippocrates; "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"--Aristotle

catamenia, flow, menses, menstruation, menstruum, period