| bipolarity | Bipolar quality. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| bipotentiality | Capability of differentiating along two developmental pathways. An example is the capacity of the gonad to develop into either an ovary or a testis. (05 Mar 2000) |
| bipupillate | <zoology> Having an eyelike spot on the wing, with two dots within it of a different colour, as in some butterflies. Origin: Pref. Bi- + pupil (of the eye). Source: Websters Dictionary (01 Mar 1998) |
| bipyramidal | Consisting of two pyramids placed base to base; having a pyramid at each of the extremities of a prism, as in quartz crystals. Origin: Pref. Bi- + pyramidal. Source: Websters Dictionary (01 Mar 1998) |