zénonique, adj., Zenonic.

zénonisme, n.m., Zenonism.

zéolithe, n.m., zeolite.

zéphire or zéphyr, n.m., zephyr, gentle breeze.

zéro, n.m., nought; cipher; zero (of the thermometer). À —; at zero. Au-dessous de —; below zero. C’est un — or un — en chiffre; he is a mere cipher.

zest (zèst), n.m., only used in the proverbial and familiar expression Entre le zist et le —; pretty well, so-so; middling; undecided, wavering (of persons).

zest (zèst), int., pshaw! nonsense presto!

zeste (zèst), n.m., zest (of a lemon, orange, walnut); straw, fig, nothing. Cela ne vaut pas un —; it is not worth a straw.

zététique, n.f. and adj., zetetics; zetetic.

zeugme, n.m., (rhet.) zeugma.