D defs.my
Entry 1 sense Webster, 1913

Babbitt metal

/băb'-ĭt mĕt'-əl/ · Bab·bitt met·al · IPA /ˈbæbɪt ˌmɛtəl/
01 A soft white alloy of variable composition (as a nine parts of tin to one of copper, or of fifty parts of tin to five of antimony and one o…
  1. 1.
    A soft white alloy of variable composition (as a nine parts of tin to one of copper, or of fifty parts of tin to five of antimony and one of copper) used in bearings to diminish friction.