Definition of Seed coat. Meaning of Seed coat. Synonyms of Seed coat

Here you will find one or more explanations in English for the word Seed coat. Also in the bottom left of the page several parts of wikipedia pages related to the word Seed coat and, of course, Seed coat synonyms and on the right images related to the word Seed coat.

Definition of Seed coat

Seed coat
Seed Seed, n.; pl. Seed or Seeds. [OE. seed, sed, AS. s?d, fr. s[=a]wan to sow; akin to D. zaad seed, G. saat, Icel. s[=a]?, s??i, Goth. manas?ps seed of men. world. See Sow to scatter seed, and cf. Colza.] 1. (Bot.) (a) A ripened ovule, consisting of an embryo with one or more integuments, or coverings; as, an apple seed; a currant seed. By germination it produces a new plant. (b) Any small seedlike fruit, though it may consist of a pericarp, or even a calyx, as well as the seed proper; as, parsnip seed; thistle seed. And God said, Let the earth bring forth grass, the herb yielding seed, and the fruit tree yielding fruit after his kind, whose seed is in itself. --Gen. i. 11. Note: The seed proper has an outer and an inner coat, and within these the kernel or nucleus. The kernel is either the embryo alone, or the embryo inclosed in the albumen, which is the material for the nourishment of the developing embryo. The scar on a seed, left where the stem parted from it, is called the hilum, and the closed orifice of the ovule, the micropyle. 2. (Physiol.) The generative fluid of the male; semen; sperm; -- not used in the plural. 3. That from which anything springs; first principle; original; source; as, the seeds of virtue or vice. 4. The principle of production. Praise of great acts he scatters as a seed, Which may the like in coming ages breed. --Waller. 5. Progeny; offspring; children; descendants; as, the seed of Abraham; the seed of David. Note: In this sense the word is applied to one person, or to any number collectively, and admits of the plural form, though rarely used in the plural. 6. Race; generation; birth. Of mortal seed they were not held. --Waller. Seed bag (Artesian well), a packing to prevent percolation of water down the bore hole. It consists of a bag encircling the tubing and filled with flax seed, which swells when wet and fills the space between the tubing and the sides of the hole. Seed bud (Bot.), the germ or rudiment of the plant in the embryo state; the ovule. Seed coat (Bot.), the covering of a seed. Seed corn, or Seed grain (Bot.), corn or grain for seed. Seed down (Bot.), the soft hairs on certain seeds, as cotton seed. Seed drill. See 6th Drill, 2 (a) . Seed eater (Zo["o]l.), any finch of the genera Sporophila, and Crithagra. They feed mainly on seeds. Seed gall (Zo["o]l.), any gall which resembles a seed, formed, on the leaves of various plants, usually by some species of Phylloxera. Seed leaf (Bot.), a cotyledon. Seed lobe (Bot.), a cotyledon; a seed leaf. Seed oil, oil expressed from the seeds of plants. Seed oyster, a young oyster, especially when of a size suitable for transplantation to a new locality. Seed pearl, a small pearl of little value. Seed plat, or Seed plot, the ground on which seeds are sown, to produce plants for transplanting; a nursery. Seed stalk (Bot.), the stalk of an ovule or seed; a funicle. Seed tick (Zo["o]l.), one of several species of ticks resembling seeds in form and color. Seed vessel (Bot.), that part of a plant which contains the seeds; a pericarp. Seed weevil (Zo["o]l.), any one of numerous small weevels, especially those of the genus Apion, which live in the seeds of various plants. Seed wool, cotton wool not yet cleansed of its seeds. [Southern U.S.]

Meaning of Seed coat from wikipedia

- botany, a seed is a plant embryo and food reserve enclosed in a protective outer covering called a seed coat (testa). More generally, the term "seed" means...
- developed seeds contain an embryo and, in most plant species some store of food reserves, wrapped in a seed coat. Dormant seeds are viable seeds that do...
- leading to the seed. Runcaria has all of the qualities of seed plants except for a solid seed coat and a system to guide the pollen to the seed. Runcaria was...
- (hilum) than at the opposite end. The m**** of 100 seeds is 0.203 g. The seed coat (testa) may be smooth or ribbed.[citation needed] Sesame varieties have...
- lentils with a brown seed coat and an orange-red cotyledon) Petite crimson (s****ed Masoor lentils) Red Chief (light tan seed coat and red cotyledon) Small...
- often broken down into three subgroups: Dormancy caused by an impermeable seed coat is known as physical dormancy. Physical dormancy is the result of impermeable...
- otherwise altering the coat of a seed to encourage germination. Scarification is often done mechanically, thermally, and chemically. The seeds of many plant species...
- of the seed coat) and chemical defenses (secondary compounds such as tannins and alkaloids). However, as plants have evolved seed defenses, seed predators...
- the outer seed coat removed, can be eaten raw or cooked. In young plants, the outer seed coat can be eaten, and in very young plants, the seed pod can be...
- input. G. kola seeds have both seed coat dormancy and physiological dormancy probably imposed by the chemicals in the seed. Seed coat dormancy of Garcinia...