v. i. [ imp. & p. p. Effloresced p. pr. & vb. n. Efflorescing ] [ L. efflorescere to bloom, blossom; ex + florescere to begin to blossom, incho., fr. florere to blossom, fr. flos a flower. See Flower. ] 1. To blossom forth. Carlyle. [ 1913 Webster ]

2. (Chem.) To change on the surface, or throughout, to a whitish, mealy, or crystalline powder, from a gradual decomposition, esp. from the loss of water, on simple exposure to the air; as, Glauber's salts, and many others, effloresce. [ 1913 Webster ]

3. To become covered with a whitish crust or light crystallization, from a slow chemical change between some of the ingredients of the matter covered and an acid proceeding commonly from an external source; as, the walls of limestone caverns sometimes effloresce with nitrate of calcium in consequence of the action of nitric acid formed in the atmosphere. [ 1913 Webster ]

n. [ F. efflorescence. ] 1. (Bot.) Flowering, or state of flowering; the blooming of flowers; blowth. [ 1913 Webster ]

2. (Med.) A redness of the skin; eruption, as in rash, measles, smallpox, scarlatina, etc. [ 1913 Webster ]

3. (Chem.) (a) The formation of the whitish powder or crust on the surface of efflorescing bodies, as salts, etc. (b) The powder or crust thus formed. [ 1913 Webster ]

n. The state or quality of being efflorescent; efflorescence. [ 1913 Webster ]

a. [ F. efflorescent, L. efflorescens, -entis, blooming, p. pr. of efflorescere. See Effloresce, v. i. ] 1. That effloresces, or is liable to effloresce on exposure; as, an efflorescent salt. [ 1913 Webster ]

2. Covered with an efflorescence. [ 1913 Webster ]

‖n. [ F. floréal, fr. L. flos, floris, flower. ] The eight month of the French republican calendar. It began April 20, and ended May 19. See Vendémiare. [ 1913 Webster ]

n. [ LL. florenus. See Florin. ] A cerain gold coin; a Florence. [ Obs. ] Chaucer. [ 1913 Webster ]

n. [ From the city of Florence: cf. F. florence a kind of cloth, OF. florin. ] 1. An ancient gold coin of the time of Edward III., of six shillings sterling value. Camden. [ 1913 Webster ]

2. A kind of cloth. Johnson. [ 1913 Webster ]

Florence flask. See under Flask. --
Florence oil, olive oil prepared in Florence. [ 1913 Webster ]

a. [ L. Florentinus, fr. Florentia Florence: cf. F. florentin. ] Belonging or relating to Florence, in Italy. [ 1913 Webster ]

Florentine mosaic, a mosaic of hard or semiprecious stones, often so chosen and arranged that their natural colors represent leaves, flowers, and the like, inlaid in a background, usually of black or white marble. [ 1913 Webster ]

n. 1. A native or inhabitant of Florence, a city in Italy. [ 1913 Webster ]

2. A kind of silk. Knight. [ 1913 Webster ]

3. A kind of pudding or tart; a kind of meat pie. [ Obs. ] [ 1913 Webster ]

Stealing custards, tarts, and florentines. Beau. & Fl. [ 1913 Webster ]

n. [ See Florescent. ] (Bot.) A bursting into flower; a blossoming. Martyn. [ 1913 Webster ]

a. [ L. florescens, p. pr. of florescere begin to blossom, incho. fr. florere to blossom, fr. flos, floris, flower. See Flower. ] Expanding into flowers; blossoming. [ 1913 Webster ]

n. [ OF. florete, F. fleurette, dim. of OF. lor, F. fleur. See Flower, and cf. Floweret, 3d Ferret. ] 1. (Bot.) A little flower; one of the numerous little flowers which compose the head or anthodium in such flowers as the daisy, thistle, and dandelion. Gray. [ 1913 Webster ]

2. [ F. fleuret. ] A foil; a blunt sword used in fencing. [ Obs. ] Cotgrave. [ 1913 Webster ]

n. [ L. inflorescens, p. pr. of inflorescere to begin to blossom; pref. in- in + florescere to begin to blossom: cf. F. inflorescence. See Florescent. ] 1. A flowering; the putting forth and unfolding of blossoms. [ 1913 Webster ]

2. (Bot.) (a) The mode of flowering, or the general arrangement and disposition of the flowers with reference to the axis, and to each other. (b) An axis on which all the buds are flower buds. [ 1913 Webster ]

Inflorescence affords an excellent characteristic mark in distinguishing the species of plants. Milne. [ 1913 Webster ]

Centrifugal inflorescence, determinate inflorescence. --
Centripetal inflorescence, indeterminate inflorescence. See under Determinate, and Indeterminate. [ 1913 Webster ]

n. (Bot.) A blossoming anew of a plant after it has apparently ceased blossoming for the season. [ 1913 Webster ]

n. (Bot.) See Semifloscule. [ 1913 Webster ]