Angle of ordination (Geom.), the angle between the axes of coördinates.
Or"di*na*tive (?), a. [L. ordinativus.] Tending to ordain; directing;
giving order. [R.] Gauden.
Or"di*na`tor (?), n. [L.] One who ordains or establishes; a director.
[R.] T. Adams.
Ord"nance (?), n. [From OE. ordenance, referring orig. to the bore or
size of the cannon. See Ordinance.] Heavy weapons of warfare; cannon,
or great guns, mortars, and howitzers; artillery; sometimes, a general
term for all weapons and appliances used in war.
All the battlements their ordnance fire.
Shak.
Then you may hear afar off the awful roar of his [Rufus Choate's]
rifled ordnance.
E. Ererett.
Ordnance survey, the official survey of Great Britain and Ireland,
conducted by the ordnance department.
Or"don*nance (?), n. [F. See Ordinance.] (Fine Arts) The disposition of
the parts of any composition with regard to one another and the whole.
Their dramatic ordonnance of the parts.
Coleridge.
Or"don*nant (?), a. [F., p. pr. of ordonner. See Ordinant.] Of or
pertaining to ordonnance. Dryden.
Or*do"vi*an (?), a. & n. (Geol.) Ordovician.
Or`do*vi"cian (?), a. [From L. Ordovices, a Celtic people in Wales.]
(Geol.) Of or pertaining to a division of the Silurian formation,
corresponding in general to the Lower Silurian of most authors,
exclusive of the Cambrian. -- n. The Ordovician formation.
Or"dure (?), n. [F. ordure, OF. ord filthy, foul, fr. L. horridus
horrid. See Horrid.]