have+a+conical+shape

  • 41reamer — /ree meuhr/, n. 1. any of various rotary tools, with helical or straight flutes, for finishing or enlarging holes drilled in metal. 2. any bladelike pick or rod used for scraping, shaping, or enlarging a hole: a pipe reamer. 3. a kitchen utensil… …

    Universalium

  • 42Pachypodium baronii — Taxobox name = Pachypodium baronii image width = 150px regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Gentianales familia = Apocynaceae genus = Pachypodium species = P. baronii binomial = Pachypodium baronii binomial… …

    Wikipedia

  • 43protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… …

    Universalium

  • 44flute — flutelike, adj. /flooht/, n., v., fluted, fluting. n. 1. a musical wind instrument consisting of a tube with a series of fingerholes or keys, in which the wind is directed against a sharp edge, either directly, as in the modern transverse flute,… …

    Universalium

  • 45Precession (astronomy) — In astronomy, precession refers to the movement of the rotational axis of a body, such as a planet, with respect to inertial space. In particular, it refers to the precession of the Earth s rotational axis, also called the precession of the… …

    Wikipedia

  • 46Air-raid shelter — in Tateyama[disambiguation needed  …

    Wikipedia

  • 47Belleville washer — A Belleville washer, also known as a coned disc spring,[1] conical spring washer,[2] disc spring, Belleville spring or cupped spring washer, is a type of …

    Wikipedia

  • 48History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …

    Wikipedia

  • 49Vatadage — An entrance of the Polonnaruwa Vatadage. Vatadage (Sinhala: වටදාගේ) is a type of Buddhist structure found in Sri Lanka. It also known as dage, thupagara, and cetiyagara. Although it may have had some Indian influence, it is a structure that is… …

    Wikipedia

  • 50Vučedol culture — The Vučedol culture was a culture that flourished between 3000 and 2200 BC (the Eneolithic period), centered in eastern Slavonia on the right bank of the Danube river, but possibly spreading throughout the Pannonian plain. Sometimes also called… …

    Wikipedia