center vs torus

center

noun
  • The point in the interior of a circle that is equidistant from all points on the circumference. 

  • A player who can go all over the court, except the shooting circles. 

  • The middle portion of something; the part well away from the edges. 

  • One of the two conical steel pins in a lathe, etc., upon which the work is held, and about which it revolves. 

  • The ring in the gambling game two-up in which the spinner operates. 

  • The subgroup (respectively, subring), denoted Z(G), of those elements of a given group (respectively, ring) G that commute with every element of G. 

  • The point on a line that is midway between the ends. 

  • The point in the interior of a sphere that is equidistant from all points on the circumference. 

  • A topic that is particularly important in a given context, the element in a subject of cognition, volition or discussion that is perceived as decisive. 

  • A place, especially a building or complex, set aside for some specified function or activity. 

  • The ensemble of moderate or centrist political parties. 

  • A conical recess or indentation in the end of a shaft or other work, to receive the point of a center, on which the work can turn, as in a lathe. 

  • A pass played into the centre of the pitch. 

  • The point in the interior of any figure of any number of dimensions that has as its coordinates the arithmetic mean of the coordinates of all points on the perimeter of the figure (or of all points in the interior for a center of volume). 

  • The venue in which the head of government in a centralized state is situated. 

  • The forward that generally plays between the left wing and right wing and usually takes the faceoffs. 

  • The player, generally the tallest, who plays closest to the basket. 

  • The person who holds the ball at the beginning of each play. 

  • One of the backs operating in a central area of the pitch, either the inside centre or outside centre. 

  • A temporary structure upon which the materials of a vault or arch are supported in position until the work becomes self-supporting. 

adj
  • Of, at, or related to a center. 

verb
  • To give (something) a central basis. 

  • To concentrate on (something), to pay close attention to (something). 

  • To cause (an object) to occupy the center of an area. 

  • To form a recess or indentation for the reception of a center. 

  • To cause (some attribute, such as a mood or voltage) to be adjusted to a value which is midway between the extremes. 

torus

noun
  • A topological space which is a product of two circles. 

  • The thickening of a membrane closing a wood-cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity. 

  • A rounded ridge of bone or muscle, especially one on the occipital bone. 

  • {{lb|en|topology|in combination|n-torus|4-torus|etc.}} The product of the specified number of circles. 

  • A large convex molding, typically semicircular in cross section, which commonly projects at the base of a column and above the plinth. 

  • The end of the peduncle or flower stalk to which the floral parts (or in the Asteraceae, the florets of a flower head) are attached. 

  • A ring-shaped object, especially a large ring-shaped chamber used in physical research. 

How often have the words center and torus occurred in a corpus of books? (source: Google Ngram Viewer )