hard seed

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• hard seed — noun : seed in which the testa is unusually hard and impervious to moisture and which is therefore slow in germinating unless treated mechanically or chemically …   Useful english dictionary

• Seed — A seed Audio IPA|en us seed.ogg|/ˈsiːd/ (in some plants, referred to as a kernel) is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and… …   Wikipedia

• Seed hibernation — is different from seed dormancy. While seed dormancy can be defined as a seed not germinating when conditions, e.g. light, water/nutrient availability or the presence of activating substances like smoke, are favourable , hibernation is the… …   Wikipedia

• Seed contamination — is the mixing of seeds used for agriculture with other seeds which are not desirable or soil (which may carry seeds). An example would be mixing corn seed with weed seed. These contaminant seeds can be either common weeds or other crop seeds.In… …   Wikipedia

• seed — [sēd] n. pl. seeds or seed [ME sede < OE sæd, akin to Ger saat < IE base * sē(i) , to cast, let fall > L serere, to sow, plant, sator, sower, semen, seed] 1. the part of a flowering plant that typically contains the embryo with its… …   English World dictionary

• Hard science fiction — is a category of science fiction characterized by an emphasis on scientific or technical detail, or on scientific accuracy, or on both.[1][2] The term was first used in print in 1957 by P. Schuyler Miller in a review of John W. Campbell, Jr. s… …   Wikipedia

• seed and fruit — ▪ plant reproductive part Introduction       respectively, the characteristic reproductive (reproductive system, plant) body of both angiosperms (flowering plants) and gymnosperms (conifers, cycads, and ginkgos) and the ovary that encloses it.… …   Universalium

• hard-bill — noun A bird species which has a hard, strong bill, to feed (mainly) on seeds and/or nuts As the ultimate hard bills, woodpeckers even use their steel hard bill to drill homes in solid trees Syn: seedeater Ant: soft bill See A …   Wiktionary

• seed — seed1 W3S3 [si:d] n plural seeds or seed ▬▬▬▬▬▬▬ 1¦(plants)¦ 2¦(in fruit)¦ 3 seeds of something 4 go/run to seed 5 number one/two/three etc seed 6¦(sex)¦ 7¦(family)¦ ▬▬▬▬▬▬▬ …   Dictionary of contemporary English

• seed — seed1 [ sid ] noun *** 1. ) count or uncount a small hard part produced by a plant that can grow into a new plant of the same type: a bag of seeds sow/plant seed(s): You can sow grass seed to cover the worn patches. grow something from seed: I… …   Usage of the words and phrases in modern English

• seed — 1 /si:d/ noun plural seeds or seed 1 a) (C, U) a small, hard object produced by plants, from which a new plant of the same kind grows: sunflower seeds | plant/sow seeds (=put them into the ground): Plant the seeds in sandy soil, about 10 cm apart …   Longman dictionary of contemporary English