Word.ws English Dictionary

additament

additament noun: an addition; something added.

Noun

additament (plural additaments)

  1. (archaic) An addition; something added.
    • Whenever any menstruum or other additament is employed, together with the fire, to obtain a sulphur or a salt from a body, we may well take the freedom to examine, whether or no the menstruum do barely help to separate the principle obtained by it...1661, Robert Boyle, The Sceptical Chymist
    • Nature has furnish'd his foot with another additament much more curious and admirable, and that is, with a couple of Palms, Patterns or Soles […]1665, Robert Hooke, Micrographia, section XXXVII

Forms of additament

pluraladditaments

Origin of additament

From Latin additāmentum, from the past participle stem of addere (“to add”).

Questions about additament

What does additament mean?
Additament means an addition; something added.
What part of speech is additament?
Additament is a noun.
What is the plural of additament?
The plural of additament is additaments.

Words near additament in the dictionary

  1. Addison's disease
  2. addisonian
  3. Addisonianism
  4. Addisons
  5. Addisyn
  6. additament
  7. additaments
  8. additative
  9. addition
  10. addition polymerisation
  11. addition polymerisations

Source and license

Adapted from Wiktionary: additament (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: “additament.” Word.ws, https://word.ws/additament. Based on Wiktionary, CC BY-SA 4.0.