diam

Noun

diameter (plural diameters)

1. Any straight line between two points on the circumference of a circle that passes through the center of the circle; a chord that passes through the center of the circle.
2. The length of such a line.
   • In cases without good face contact, the diameter of the toolholder at the front of the flange or the tool itself should not be any larger than the gage diameter of the toolholder shank from a bending stiffness viewpoint.2005, David A. Stephenson, John S. Agapiou, Metal Cutting Theory and Practice, page 280
3. The maximum distance between any two points in a metric space.
4. The maximum eccentricity over all vertices in a graph.

Noun

diamond (countable and uncountable, plural diamonds)

1. (uncountable) A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.
   • The saw is coated with diamond.
2. A gemstone made from this mineral.
   • The dozen loose diamonds sparkled in the light.

   Synonyms:

   sparkler

3. A diamond ring.
   • What a beautiful engagement diamond.
4. A very pale blue color.
5. Sable, when blazoning by precious stones.
   • Elphingston. Pearl a Chevron Diamond between three Boars Heads Eraz'd Ruby, arm'd of the first. / Eymouth. Diamond a Lyon Rampant Pearl, on a Canton of the 2d, a Cross Ruby.1720, Francis Nichols, Rudiments of Honour, page 296
6. Something that resembles a diamond.

   Synonyms:

   adamant

See all 32 meanings of diamond