ustibilis Save DMLBS ustibilis [CL ustus p. ppl. of urere+-bilis; cf. CL ustilis], suitable for burning, inflammable. magis calefactibilis et ~lis Gilb. I 39v. 1; ~la [sic] sunt que habent in poris humorem debilem qui non potest resistere calori ignis Upton 100.