pollen grain synonyms, pollen grain pronunciation, pollen grain translation, English dictionary definition of pollen grain. Learn more. See more. Pollen is a powdery substance consisting of pollen grains which are male microgametophytes of seed plants, which produce male gametes (sperm cells). microgametophyte; Translations . pollen grain - WordReference English dictionary, questions, discussion and forums. The pollen is released by the opening of the anther. Each of the microscopic particles, typically single cells, of which pollen is composed. Pollen grains have a tough coat that has a form characteristic of the pollen-producing plant and which can still be recognized in some archaeological deposits. pollen grain (plural pollen grains) A single male reproductive particle of which the pollen of a plant consists. pollen grain translation in English-Tagalog dictionary. A pollen grain is a microscopic body that contains the male reproductive cell of a plant. Meaning of pollen grain in English: pollen grain. The pollen is carried by some agent (wind, or some animal) to the receptive … Showing page 1. noun. Definition of pollen grain in the Definitions.net dictionary. Synonyms . Information and translations of pollen grain in the most comprehensive dictionary definitions resource on the web. Pollen definition, the fertilizing element of flowering plants, consisting of fine, powdery, yellowish grains or spores, sometimes in masses. pollen grain. What does pollen grain mean? All Free. It is crucial in a plant's fertilization process. Contents. pollen definition: 1. a powder, produced by the male part of a flower, that causes the female part of the same type of…. Each microsporangium contains pollen mother cells. See synonyms for pollen grain. Jump to navigation Jump to search. 1 English. Define pollen grain. 1.1.1 Synonyms; 1.1.2 Translations; English Noun . Pollen definition is - a mass of microspores in a seed plant appearing usually as a fine dust. Found 18 sentences matching phrase "pollen grain".Found in 2 ms. These undergo meiosis, and produce pollen grains, which produce the male gametes . 1.1 Noun. n. A microspore of a seed plant, containing a partially developed male gametophyte. Definition from Wiktionary, the free dictionary. Pollen grains have a hard coat made of sporopollenin that protects the gametophytes during the process of their movement from the stamens to the pistil of flowering plants, or from the male cone to the female cone of coniferous plants. Pollen, 2 meanings, Noun: Fine powder in general, fine flour (16th century usage documented by the OED; no longer common.) Meaning of pollen grain.