concentrative
adjUK /kənˈsɛntɹətɪv/
Etymology From concentrate + -ive.
1
Characterised by concentration.
- To observe attentively is to remember distinctly; and so far the concentrative chess-player will do very well at whist;[…].1841 March, Edgar A[llan] Poe, “The Murders in the Rue Morgue”, in George R[ex] Graham, Rufus W[ilmot] Griswold, editors, Graham’s Lady’s and Gentleman’s Magazine. […], volume XVIII, number 4, Philadelphia, Pa.: George R. Graham, published April 1841, →OCLC, pages 166–167:
- Derived terms
- concentratively, concentrativeness