to reach the lowest point before stabilising or improving [v -ED, -ING, -S]
the underside of something
foundation color applied to textile fibers before dyeing
fundamental quark that accounts for the existence and lifetime of upsilon particles and has an electric charge of -1/3 and a measured energy of approximately 5 GeV
surface (as the seat of a chair) designed to support something resting on it used figuratively in phrases like the bottom dropped out to describe a sudden collapse or downturn lost millions when the bottom dropped out of the stock market
to comprehend [v BOTTOMED, BOTTOMING, BOTTOMS]
at ship
sis source trying to get to the bottom of these rumors