different between achromatism vs achromatise

English

Etymology

Compare French achromatisme.

Noun

achromatism (uncountable)

1. The state or quality of being achromatic; achromaticity.

2. The state of being free of colors, not emitting or separating into colors.
   • 1946, Mervyn Peake, Titus Groan, London: Eyre & Spottiswoode, “Mrs Slagg by Moonlight”

     No flaming flower relieved its black achromatism although that tree had been known long ago to burst open with a three-hour glory.

3. Achromatopia.

Translations

References

• achromatism in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• Dorland's Pocket Medical Dictionary, 22nd edition, W. B. Saunders, 1977

English

Verb

achromatise (third-person singular simple present achromatises, present participle achromatising, simple past and past participle achromatised)

1. Non-Oxford British English standard spelling of achromatize.

French

Pronunciation

• Homophones: achromatisent, achromatises

Verb

achromatise

1. first-person singular present indicative of achromatiser
2. third-person singular present indicative of achromatiser
3. first-person singular present subjunctive of achromatiser
4. third-person singular present subjunctive of achromatiser
5. second-person singular imperative of achromatiser