spectacle, n.m., play, spectacle, scene, sight, public view, show; play-house, performance; theater. Salle de —; play-house, theater. Être en —; to be exposed to public view. Se donner en —; to attract attention; to make one’s self conspicuous. Programme, or affiche, de —; play-bill. Servir de —; to be a butt for public laughter. Jour de —; play-night. Aller au —; to go to the play, or theater.
spectat-eur, -rice, n. and adj., spectator, looker-on, by-stander. pl., (thea.) spectators, audience. adj., looking on.
spectral, adj., (opt.) spectral; pertaining to the spectrum.
spectre, n.m., specter, phantom, ghost; (phys.) spectrum.
spéculaire, adj., (min.) specular, transparent. ☉Science —; the science of mirror-making.
spéculat-eur, n.m., -rice, n.f., speculator, investor.
spéculati-f, -ve, adj., speculative.
spéculatif, n.m., speculative man, speculative mind.
spéculation, n.f., speculation.
spéculativement, adv., in a speculative manner.