Pollen
31pollen — Microspores of seed plants carried by wind or insects prior to fertilization; important in the etiology of hay fever and other allergies. [L. fine dust, fine flour] * * * pol·len päl ən n a mass of male spores in a seed plant appearing usu. as a… …
32Pollen — Pol|len der; s, <aus lat. pollen, Gen. pollinis »sehr feines Mehl, Mehlstaub«> Blütenstaub …
33pollen — [[t]pɒ̱lən[/t]] pollens N MASS Pollen is a fine powder produced by flowers. It fertilizes other flowers of the same species so that they produce seeds …
34Pollen grain — Pollen Pol len, n. [L. pollen fine flour, fine dust; cf. Gr. ?] 1. Fine bran or flour. [Obs.] Bailey. [1913 Webster] 2. (Bot.) The fecundating dustlike cells of the anthers of flowers. See {Flower}, and Illust. of {Filament}. [1913 Webster]… …
35Pollen mass — Pollen Pol len, n. [L. pollen fine flour, fine dust; cf. Gr. ?] 1. Fine bran or flour. [Obs.] Bailey. [1913 Webster] 2. (Bot.) The fecundating dustlike cells of the anthers of flowers. See {Flower}, and Illust. of {Filament}. [1913 Webster]… …
36Pollen sac — Pollen Pol len, n. [L. pollen fine flour, fine dust; cf. Gr. ?] 1. Fine bran or flour. [Obs.] Bailey. [1913 Webster] 2. (Bot.) The fecundating dustlike cells of the anthers of flowers. See {Flower}, and Illust. of {Filament}. [1913 Webster]… …
37Pollen tube — Pollen Pol len, n. [L. pollen fine flour, fine dust; cf. Gr. ?] 1. Fine bran or flour. [Obs.] Bailey. [1913 Webster] 2. (Bot.) The fecundating dustlike cells of the anthers of flowers. See {Flower}, and Illust. of {Filament}. [1913 Webster]… …
38Pollen count — is the measurement of the number of grains of pollen in a cubic meter of air. The higher the number, the more people will suffer if they are allergic to a particular pollen . Usually, the counts are announced for specific plants such as grass,… …
39Pollen zone — Pollen zones are a system of subdividing late Pleistocene and early Holocene paleoclimate using the data from pollen cores. The sequence provides a global chronological structure to a wide variety of scientists, such as geologists,… …
40pollen count — pollen counts N COUNT The pollen count is a measure of how much pollen is in the air at a particular place and time. Information about the pollen count is given to help people who are made ill by pollen. Avoid trips to the country while the… …
