ˈsubtriple, a.
[ad. late L. subtriplus: see sub- 10 and triple a.]
1. Math. That is one third of a quantity or number; denoting a proportion of 1 to 3; (of a ratio) of which the antecedent is one third of the consequent.
| 1644 Digby Nat. Bodies viii. §6. 60 Which must be in sub⁓triple proportion of the diameter of the sunne to the diameter of the great orbe. a 1696 Scarburgh Euclid (1705) 180 As 13 to 4 inverted, is 4 to 13 viz. Subtriple sesquiquartal. 1719 Quincy Compl. Disp. 14 The Proportion of White Lead to Lead itself comes out still less, i.e. sub-triple. 1728 Chambers Cycl. |
2. sub-triple spot, a moth (see quot.).
| 1832 J. Rennie Butterfl. & M. 179 The Sub-triple Spot (Paramesia subtripunctulana). |