sphere /sfēr/

1. A solid figure bounded by a surface of which all points are equidistant from a centre, any cross-section of which is a circle
2. Its bounding surface or the space enclosed by it
3. The apparent sphere of the heavens, upon which the stars are seen in projection
4. Any one of the concentric spherical shells which were once supposed to carry the planets in their revolutions
5. A circle of society or class, orig of the higher ranks (as if a planetary sphere)
6. Domain, scope, range
7. A field of activity
8. Condition of life
9. A world, mode of being
10. A ball, globe
11. A spherical object, esp a planet
12. An orbit (archaic)

1. Denoting: the shape of a sphere
2. An area around a planet, as in ionosphere

1. To round
2. To place in a sphere
3. To encompass
4. To send about

sphērˈal adjective

sphered adjective

sphereˈless adjective

sphereˈlike adjective

spheric /sferˈik/ or spherˈical adjective

1. Of a sphere or spheres
2. Having the form of a sphere

sphericalˈity noun

spherˈically adverb

spherˈicalness or sphericity /-isˈi-ti/ noun

The state or quality of being spherical

spheristēˈrion noun

(Gr sphairistērion) a room or court for ball games

spherˈocyte noun

An abnormal red blood cell that is spherical rather than disc-shaped

spherocytoˈsis noun

The presence of spherocytes in the blood, as in certain haemolytic anaemias

sphēˈroid noun

A form of ellipsoid that is a body or figure which is nearly, but not quite, spherical (oblate spheroid a slightly flattened sphere; prolate spheroid a slightly lengthened sphere)

sphēroiˈdal adjective

sphēroidiˈcity noun

sphēroidizāˈtion or sphēroidisāˈtion noun

• silicify
• silicifying
• silicious
• silicium
• silicle
• silicles
• silicon
• silicon carbide
• silicon carbides
• silicon chip
• silicone
• silicones
• silicons
• silicon valley
• silicon valleys
• silicoses
• silicosis
• silicotic
• silicotics
• silicula
• siliculas
• silicule
• siliculose
• siling
• siliqua