† subˈtention Obs.
[f. L. subtent-, pa. ppl. stem of subtendĕre to subtend: see -tion.]
= subtense n.
| 1610 Hopton Baculum Geodæt. vii. ii. 297 Any right lines being applied to a circle is called a subtention, which may be Sines, Tangents, or Secants. |