any of several bulbous plants of the genus Colchicum, of the lily family, especially C. autumnale, bearing showy, crocuslike white, pink, or purple flowers in autumn.
a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers Also called meadow saffron Compare saffron
belonging to or suggestive of autumn; produced or gathered in autumn: autumnal colors. past maturity or middle life. Contemporary Examples The pumpkin seeds, trapped in the heat of the caramel, are imbued with an autumnal, resiny resonance. Pumpkin Seed Brittle The Daily Beast November 24, 2008 These are autumnal deaths to expiate the sins of […]
- Autumnal equinox
See under equinox (def 1). Also called autumnal point. the position of the sun at the time of the autumnal equinox. the time when the sun crosses the plane of the earth’s equator, making night and day of approximately equal length all over the earth and occurring about March 21 (vernal equinox or spring equinox) […]
belonging to or suggestive of autumn; produced or gathered in autumn: autumnal colors. past maturity or middle life. Historical Examples And, indeed, the rest of the city was most autumnally tame and uninteresting. Wise Saws and Modern Instances, Volume II (of 2) Thomas Cooper adjective of, occurring in, or characteristic of autumn adj. 1570s, from […]
a yellow mineral, a hydrous calcium uranium phosphate, CaU 2 P 2 O 12 ⋅8H 2 O, occurring in crystals as nearly square tablets: a minor ore of uranium. Historical Examples autunite, a hydrous phosphate of uranium and calcium, crystallizing in the rhombic system in yellow plates. The New Gresham Encyclopedia. Vol. 1 Part 3 […]