bifid (bifid)

[L. [ = E. bite , q. v.] the tongue of a snake; specifically, in bot., divided half-way down into two parts; opening with a cleft; divided by a linear sinus, with straight margins. It will be observed that each of the simple cells has a bifid wart-like projection of the cellulose wall on either side. W. B. Carpenter , Micros., § 263. Bifid circle, a circle cut at the extremities of a diameter by another circle, in regard to which it is said to be bifid . Bifid substitution, in math . , a substitution relating to pairs of 8 letters as elements, and proceeding by the rule that the whole 8 are to be distinguished into sets of 4, and that every pair both members of which belong to the same set of 4 is to be replaced by the other pair of the same set of 4, while the rest of the pairs remain a compound leaf. late.] In bot., having two leaflets: applied to bifolium (bi-foʻli-um), n.; pl. bifolia (-a). [NL., L. bi-, two-, + folium, leaf.] In math., a plane curve having two folia or depre ions. See cut under bitangent. bifollicular (bi-fo-lik'u-lär), a. [ = biforate (bi-fo'rat), a. [L. bi- + for at us, perforated, pp. of for are E. borel.] In bot., having two pores or perforations, as the an thers of a rhododendron. Also biforous.