additament

English

Etymology

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

Noun

additament (plural additaments)

1. (archaic) An addition; something added. [from 14th c.]
   • 1661, Robert Boyle, The Sceptical Chymist:

     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...

   • 1665, Robert Hooke, Micrographia, section XXXVII:

     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 […]

   • 15 March 1806, Charles Lamb, letter to Mr. Hazlitt

     And there are you perverting Nature in lying landscapes, filched from old rusty Titians, such as I can scrape up here to send you, with an additament from Shropshire nature thrown in to make the whole look unnatural.