Bottom-of-the-line
being the cheapest item of its kind made by a manufacturer; produced as inexpensively as possible (opposed to top-of-the-line):
bottom-of-the-line merchandise that has no warranty.
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- Bottom
the lowest or deepest part of anything, as distinguished from the top: the bottom of a hill; the bottom of a page. Synonyms: base, foot, pedestal. the under or lower side; underside: the bottom of a typewriter. the ground under any body of water: the bottom of the sea. Usually, bottoms. Also called bottom land. […]
- Bottom--out
the lowest or deepest part of anything, as distinguished from the top: the bottom of a hill; the bottom of a page. Synonyms: base, foot, pedestal. the under or lower side; underside: the bottom of a typewriter. the ground under any body of water: the bottom of the sea. Usually, bottoms. Also called bottom land. […]
- Bottom-quark
the quark having electric charge −1/3 times the elementary charge and bottom quantum number −1. It is more massive than the up, down, strange, and charmed quarks. bottom quark (bŏt’əm) A quark with a charge of – 1/3 . Its mass is smaller than that of the top quark, but larger than that of all […]
- Bottom-round
a cut of beef taken from outside the round, which is below the rump and above the upper leg.
- Bottom-time
the total time, in minutes, from the beginning of a descent to the beginning of an ascent.