inversely+conical
21physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
22building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
23musical sound — Introduction any tone with characteristics such as controlled pitch and timbre. The sounds are produced by instruments in which the periodic vibrations can be controlled by the performer. That some sounds are intrinsically musical,… …
24Matanuska Formation — Stratigraphic range: Late Cretaceous Type Geological formation Location Region North America The Matanuska Formation consists of more than 3 km (1.9 mi) of sedimentary strata e …
25Cairn — For other uses, see Cairn (disambiguation). A cairn to mark the summit of a mountain Cairn is a term used mainly in the English speaking world for a man made pile of stones. It comes from the Irish: carn (plural cairn) or Scottish Gaelic: càrn… …
26Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole …
27Egg (biology) — Bird eggs and others (click on image for key) …
28ESEM — stands for environmental scanning electron microscope. This is a scanning electron microscope (SEM) that allows a gaseous environment in the specimen chamber. Whereas all conventional microscopes operate in vacuum, the ESEM has added a new… …
29Kepler orbit — Gravitational attraction is the force that makes the Solar system stick together with the planets orbiting the Sun and the Moon orbiting the Earth. Isaac Newton formulated the physical law for this gravitational attraction which explained Kepler… …
30cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… …
