Spherical vs Rollerball - What's the difference?
spherical | rollerball |
(label) Shaped like a sphere.
*{{quote-magazine, year=2013, month=September-October, author=(Henry Petroski)
, magazine=(American Scientist), title= (label) (no comparative or superlative ) Of, or pertaining to, spheres.
(label) Of a coordinate system, specifying the location of a point in a plane by using a radius and two angles.
(label) Of or relating to the heavenly orbs, or to the sphere or spheres in which, according to ancient astronomy and astrology, they were set.
*1606 : (William Shakespeare), (King Lear) , Act 1, Scene 2
A kind of ballpoint pen with a spherical nib that uses water-based liquid or gelled ink.
*{{quote-news, year=2009, date=August 30, author=Laurie Winer, title=Keeping Score, work=New York Times
, passage=The office is full of rumpled clothes and bad haircuts; it’s an operation at which rollerball pens fall outside the budget limit (Bics for everyone!) }}
(computing) A trackball.
As an adjective spherical
is (label) shaped like a sphere.As a noun rollerball is
a kind of ballpoint pen with a spherical nib that uses water-based liquid or gelled ink.spherical
English
Alternative forms
* (archaic)Adjective
(en adjective)The Evolution of Eyeglasses, passage=The ability of a segment of a glass sphere to magnify whatever is placed before it was known around the year 1000, when the spherical segment was called a reading stone, essentially what today we might term a frameless magnifying glass or plain glass paperweight.}}
- Knaves, thieves, and treachers by spherical predominance.
Synonyms
* (shaped like a sphere) globular, orbicular, roundDerived terms
* spherical aberration * spherical angle * spherical cap * spherical distance * spherical geometry * sphericality * spherical lune * spherical sector * spherical segment * spherical triangle * spherical trigonometry * spherical wedge * sphericityExternal links
* * *rollerball
English
Noun
(en noun)citation
