Word Meanings - ELLIPSOID - Book Publishers vocabulary database

A solid, all plane sections of which are ellipses or circles. See Conoid, n., 2 . Note: The ellipsoid has three principal plane sections, a, b, and c, each at right angles to the other two, and each dividing the solid into two equal and symmetrical

Additional info about word: ELLIPSOID

A solid, all plane sections of which are ellipses or circles. See Conoid, n., 2 . Note: The ellipsoid has three principal plane sections, a, b, and c, each at right angles to the other two, and each dividing the solid into two equal and symmetrical parts. The lines of meeting of these principal sections are the axes, or principal diameters of the ellipsoid. The point where the three planes meet is the center. Ellipsoid of revolution, a spheroid; a solid figure generated by the revolution of an ellipse about one of its axes. It is called a prolate spheroid, or prolatum, when the ellipse is revolved about the major axis, and an oblate spheroid, or oblatum, when it is revolved about the minor axis.

Related words: (words related to ELLIPSOID)

• RIGHT-RUNNING
  Straight; direct.
• PRINCIPALNESS
  The quality of being principal.
• THREE-SQUARE
  Having a cross section in the form of an equilateral triangle; -- said especially of a kind of file.
• SOLIDARE
  A small piece of money. Shak.
• PLANE TREE
  See PLANE
• PRINCIPALITY
  preëminence, excellence: cf. F. principalité, principauté. See 1. Sovereignty; supreme power; hence, superiority; predominance; high, or the highest, station. Sir P. Sidney. Your principalities shall come down, even the crown of your glory.
• DIVIDER
  An instrument for dividing lines, describing circles, etc., compasses. See Compasses. Note: The word dividers is usually applied to the instrument as made for the use of draughtsmen, etc.; compasses to the coarser instrument used by carpenters.
• DIVIDEND
  A number or quantity which is to be divided. (more info) 1. A sum of money to be divided and distributed; the share of a sum divided that falls to each individual; a distribute sum, share, or percentage; -- applied to the profits as appropriated
• OTHERGUISE; OTHERGUESS
  Of another kind or sort; in another way. "Otherguess arguments." Berkeley.
• THREE-MILE
  Of or pertaining to three miles; as, the three-mile limit, or the limit of the marine belt of three miles included in territorial waters of a state.
• THREE-PILE
  An old name for the finest and most costly kind of velvet, having a fine, thick pile. I have served Prince Florizel and in my time wore three-pile. Shak.
• RIGHTEOUSNESS
  The state of being right with God; justification; the work of Christ, which is the ground justification. There are two kinds of Christian righteousness: the one without us, which we have by imputation; the other in us, which consisteth of faith,
• EQUALIZER
  One who, or that which, equalizes anything.
• THREE-DECKER
  A vessel of war carrying guns on three decks.
• THREE-SIDED
  Having three sides, especially three plane sides; as, a three- sided stem, leaf, petiole, peduncle, scape, or pericarp.
• THREE-CORNERED
  Having three prominent longitudinal angles; as, a three- cornered stem. (more info) 1. Having three corners, or angles; as, a three-cornered hat.
• SOLIDUNGULA
  A tribe of ungulates which includes the horse, ass, and related species, constituting the family Equidæ.
• CONOIDAL
  Nearly, but not exactly, conical. Lindley.
• THREE-PORT
  Having three ports; specif.: Designating a type of two-cycle internal-combustion engine in which the mixture enters the crank case through a port uncovered by the piston near the end of its stroke.
• EQUALIZE
  1. To make equal; to cause to correspond, or be like, in amount or degree as compared; as, to equalize accounts, burdens, or taxes. One poor moment can suffice To equalize the lofty and the low. Wordsworth. No system of instruction will completely
• NOTOTHERIUM
  An extinct genus of gigantic herbivorous marsupials, found in the Pliocene formation of Australia.
• BRIGHT
  See I
• SUBINDIVIDUAL
  A division of that which is individual. An individual can not branch itself into subindividuals. Milton.
• ISOGEOTHERMAL; ISOGEOTHERMIC
  Pertaining to, having the nature of, or marking, isogeotherms; as, an isogeothermal line or surface; as isogeothermal chart. -- n.
• SMOTHER
  Etym: 1. To destroy the life of by suffocation; to deprive of the air necessary for life; to cover up closely so as to prevent breathing; to suffocate; as, to smother a child. 2. To affect as by suffocation; to stife; to deprive of air by a thick
• ISOTHEROMBROSE
  A line connecting or marking points on the earth's surface, which have the same mean summer rainfall.
• UNEQUALABLE
  Not capable of being equaled or paralleled. Boyle.
• ANOTHER-GUESS
  Of another sort. It used to go in another-guess manner. Arbuthnot.
• CARTWRIGHT
  An artificer who makes carts; a cart maker.
• UNMOTHERED
  Deprived of a mother; motherless.