Foam and Rhythm method

Foam noun - A light mass of fine bubbles formed in or on a liquid.

Rhythm method and foam are semantically related In some cases you can use "Rhythm method" instead a noun "Foam".

Nearby Words: foaming, foamed, foamy

Rhythm method noun - Natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle).

Foam and rhythm method are semantically related in birth control method topic. Sometimes you can use "Foam" instead a noun phrase "Rhythm method".