Meaning: A home appliance for washing clothes and linens automatically. Classified under: Nouns denoting man-made objects. Synonyms: automatic washer; washing machine; washer. Hypernyms (washer is a kind of...): white goods (large electrical home appliances (refrigerators or washing machines etc.) that are typically finished in white enamel)
Diatoms are a major group of algae, and are among the most common types of phytoplankton. Diatoms are unicellular, although they can form colonies in the shape of filaments or ribbons (e.g. Fragilaria), fans (e.g. Meridion), zigzags (e.g. Tabellaria), or stars (e.g. Asterionella). unique feature of diatom cells is that they are enclosed within a cell wall made of silica (hydrated silicon dioxide) called a frustule.
Diatoms are one of the most common types of phytoplankton and a major group of algae. They constitute a large percentage of all living matter in oceans, rivers and lakes. One species, Didymosphenia geminata, is responsible for creating thick blooms in mountain streams and ponds.iatoms are one of the most common types of phytoplankton and a major group of algae. They constitute a large percentage of all living matter in oceans, rivers and lakes. One species, Didymosphenia geminata, is responsible for creating thick blooms in mountain streams and ponds.