to breathe; to suck in; to absorb; to inhale

to take a deep breath

to suck

artificial respiration (medicine)

to resume smoking (after giving up); to relapse into smoking or drug abuse

mutual attraction (e.g. electrostatic); to attract one another

(of a magnet) to attract metallic objects; (fig.) to exert a magnetic attraction (for investment, tourists etc)

(lit. and fig.) to siphon

to de-absorb; to get a chemical out of solution

doorstop

Like attracts like.

opposite polarities attract; (fig.) opposite sexes attract; opposites attract