Janus

n.

1.

(Rom. Antiq.) A Latin deity represented with two faces looking in opposite directions. Numa is said to have dedicated to Janus the covered passage at Rome, near the Forum, which is usually called the Temple of Janus. This passage was open in war and closed in peace. Janus cloth a fabric having both sides dressed, the sides being of different colors, - used for reversible garments.

Noun

1.

Janus - (Roman mythology) the Roman god of doorways and passages; is depicted with two faces on opposite sides of his head

1.		Janus - Distributed language with an ask/tell constraint system. qdjanus is a Janus-to-Prolog compiler for Sicstus Prolog and jc is compiles to C. ["Janus: A Step Towards Distributed Constraint Programming", V. Saraswat et al in Logic Programming: Proc 1990 North Am Conf, S. Debray et al eds, MIT Press 1990]. ["Programming in Janus", Saraswat, Kahn, and Levy].
2.		Janus - W.M. Waite, U Colorado. Intermediate language, claimed as an implementation of UNCOL. Used on CDC 6600. ["Experience with the Universal Intermediate Language Janus", B.K. Haddon et al, Soft Prac & Exp 8(5):601- 616 (Sep 1978)].

ambiguity, ambivalence, biformity, bifurcation, conjugation, dichotomy, doubleness, doublethink, doubling, dualism, duality, duplexity, duplication, duplicity, equivocality, halving, irony, pairing, polarity, twinning, two-facedness, twoness