Word.ws English Dictionary

macdonaldite

macdonaldite noun: an orthorhombic-dipyramidal mineral containing barium, calcium, hydrogen, oxygen, and silicon.

Noun (1)

macdonaldite

  1. An orthorhombic-dipyramidal mineral containing barium, calcium, hydrogen, oxygen, and silicon.
    • It is typically a vein-forming mineral associated with macdonaldite, opal, and witherite.2012, H. Earl Pemberton, Minerals of California, page 2406

Noun (2) capitalized: MacDonaldite

MacDonaldite (plural MacDonaldites)

  1. Someone who was loyal to Ramsay MacDonald, especially after he split from the Labour Party in 1931.
    • He had been, as she says, 'a great MacDonaldite.'1986, Reginald Bassett, Nineteen thirty-one political crisis, page 160
    • Morrison, a MacDonaldite up to October 1931, later resorted to outright fiction in order to present himself as a leading anti-MacDonaldite during the August crisis.2003, Philip Williamson, National Crisis and National Government, page 5

Adjective capitalized: MacDonaldite

MacDonaldite (comparative more MacDonaldite, superlative most MacDonaldite)

  1. Characteristic of MacDonaldism.
    • MacDonaldite gradualism had assumed that progress could be piecemeal, incrementally gaining support and improving society – more and more people would come over to socialism as they saw its benefits in action.2008, Andrew Thorpe, A History of the British Labour Party
    • It is not possible to improve the policy of MacDonald by mosaic corrections. If centrism comes to power, it will inevitably carry on a MacDonaldite, in other words a capitalist, policy.2013, Leon Trotsky, Where is Britain Going?

Forms of macdonaldite

Noun
pluralMacDonaldites
Adjective
comparativemore MacDonaldite
superlativemost MacDonaldite

Origin of macdonaldite

From MacDonald + -ite after Gordon A. MacDonald, a volcanologist at the University of Hawaii.

From MacDonald + -ite after Ramsay MacDonald, founder of the British Labour Party.

Questions about macdonaldite

What does macdonaldite mean?
Macdonaldite means an orthorhombic-dipyramidal mineral containing barium, calcium, hydrogen, oxygen, and silicon.
What part of speech is macdonaldite?
Macdonaldite can be a noun or an adjective.
What is the plural of macdonaldite?
The plural of macdonaldite is MacDonaldites.

Words near macdonaldite in the dictionary

  1. Macdonald polynomial
  2. Macdonald polynomials
  3. Macdonald triad
  4. Macdonaldian
  5. MacDonaldism
  6. macdonaldite
  7. MacDonaldites
  8. MacDonaldization
  9. Macdonalds
  10. Macdonalds Creek
  11. Macdonell

Source and license

Adapted from Wiktionary: macdonaldite (page history and authors); MacDonaldite (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “macdonaldite.” Word.ws, https://word.ws/macdonaldite. Based on Wiktionary, CC BY-SA 4.0.