(intransitive) To join in or form a league, union, or association. / (intransitive) To spend time socially; keep company. / (transitive, with with) To join as a partner, ally, or friend.

Alternative form of xantho- before a vowel

plural of brass instrumentalist

(electronics) Initialism of phase-frequency detector. / Personal flotation device. / Initialism of primary flight display. / Initialism of process flow diagram. / Initialism of photon flux density.