A newly- discovered, characterised or named species

(rare) A recondite (hidden or obscure) person or thing. / (rare) A scholar or other person who is recondite, that is, who has mastery over his or her field, including its esoteric minutiae.

plural of pomander

(biochemistry) Any of a group of bacterial retinal proteins, related to rhodopsin, present in Chlamydomonas