Noun

(en noun)

A rating.

The performance of an individual or group on an examination or test, expressed by a number, letter, or other symbol; a score.

A degree or level of something; a position within a scale; a degree of quality.

* {{quote-web

, year = 1986–2012 , author = paul wheaton permaculture , title = Diatomaceous Earth (food grade): bug killer you can eat! , site = richsoil.com , url = http://www.richsoil.com/diatomaceous-earth.jsp , accessdate = 2014-03-17 }}

There are a lot of varieties of diatomaceous earth, so when you are shopping, be sure to get the right stuff!

Make sure that you get food grade' diatomaceous earth. Some people make 3% of the food they eat be diatomaceous earth. There are claims at parasite control, longevity and all sorts of perks. I know that food '''grade''' diatomaceous earth is used heavily in storing grains - so you are probably already eating lots of diatomaceous earth every time you eat any bread, pasta or other grain based food.

Farmers feed food ' grade diatomaceous earth to their animals to reduce parasites and provide other benefits.

This fine-grade coin from 1837 is worth a good amount.

A slope (up or down) of a roadway or other passage

A level of pre-collegiate education.

A student of a particular grade (used with the grade level).

An area that has been graded by a grader (construction machine)

The level of the ground.

(label) A gradian.

(label) In a linear system of divisors on an n''-dimensional variety, the number of free intersection points of ''n generic divisors.

A harsh scraping or cutting; a grating.

* (and other bibliographic particulars) (John Greenleaf Whittier)

The grade of hatchets fiercely thrown / On wigwam-log, and tree, and stone.

(label) A taxon united by a level of morphological or physiological complexity that is not a clade.

(medicine) The degree of malignity of a tumor expressed on a scale.

Noun

(en noun)

(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .

A spherical physical object; a globe or ball.

* Milton

Of celestial bodies, first the sun, / A mighty sphere , he framed.

* 2011 , Piers Sellers, The Guardian , 6 July:

So your orientation changes a little bit but it sinks in that the world is a sphere , and you're going around it, sometimes under it, sideways, or over it.

* 1635 , John Donne, "His parting form her":

Though cold and darkness longer hang somewhere, / Yet Phoebus equally lights all the Sphere .

(historical, astronomy, mythology) Any of the concentric hollow transparent globes formerly believed to rotate around the Earth, and which carried the heavenly bodies; there were originally believed to be eight, and later nine and ten; friction between them was thought to cause a harmonious sound (the music of the spheres ).

*, vol.1, p.153:

It is more simplicitie to teach our children[t]he knowledge of the starres, and the motion of the eighth spheare , before their owne.

* 1646 , (Thomas Browne), Pseudodoxia Epidemica , I.6:

They understood not the motion of the eighth sphear from West to East, and so conceived the longitude of the Stars invariable.

(mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc.

(figuratively) The region in which something or someone is active; one's province, domain.

* 1946 , (Bertrand Russell), History of Western Philosophy , I.20:

They thought – originally on grounds derived from religion – that each thing or person had its or his proper sphere , to overstep which is ‘unjust’.

(geometry) The set of all points in three-dimensional Euclidean space (or n -dimensional space, in topology) that are a fixed distance from a fixed point .

(logic) The extension of a general conception, or the totality of the individuals or species to which it may be applied.